def testDetrend():
import pylab
#something random to test with
data = [[ (sin(random.gauss(0,1)*.01+float(i)/(n/51.0)))*(cos(random.gauss(0,1)*.01+float(i)/(n/31.0))) for i in range(n)] ]
plot(data,'--',label="Original Data")
detrend(data,channels = 1)
plot(data,label="Detrended Data")
def genDistribution(xMean, xSD, yMean, ySD, n, namePrefix):
samples = []
for s in range(n):
x = random.gauss(xMean, xSD)
y = random.gauss(yMean, ySD)
samples.append(Example(namePrefix+str(s), [x, y]))
return samples
def levy_harmonic_path(k):
x = [random.gauss(0.0, 1.0 / math.sqrt(2.0 * math.tanh(k * beta / 2.0)))]
if k == 2:
Ups1 = 2.0 / math.tanh(beta)
Ups2 = 2.0 * x[0] / math.sinh(beta)
x.append(random.gauss(Ups2 / Ups1, 1.0 / math.sqrt(Ups1)))
return x[:]
def execute(self, userdata):
self.world.inc_time()
if self.world.time_step >= self.experiment.max_transitions:
return "timeout"
newx = random.gauss(self.mu_x, self.si_x)
newy = random.gauss(self.mu_y, self.si_y)
newth = random.gauss(self.mu_th, self.si_th)
#denormalizing the network output
# lx = self.world.min_x
# rx = self.world.max_x
# ly = self.world.min_y
# ry = self.world.max_y
lx = 0
rx = 5
ly = -2.5
ry = 2.5
lt = -math.pi
rt = math.pi
newpos = (lx + newx *(rx-lx),
ly + newy *(ry-ly),
lt + newth *(rt-lt))
if self.world.move_robot(newpos):
return "success"
else:
return "failure"
def move(self, motion): # Do not change the name of this function
(alpha, distance) = motion # alpha = lenkwinkel
alpha += random.gauss(0., self.steering_noise)
distance += random.gauss(0., self.distance_noise)
# see https://www.udacity.com/course/viewer#!/c-cs373/l-48726342/m-48693619
b = distance/self.length * tan(alpha) # turning angle
if b < 0.001:
x = self.x + distance * cos(self.orientation)
y = self.y + distance * sin(self.orientation)
o = self.orientation
else:
radius = distance / b
cx = self.x - sin(self.orientation) * radius
cy = self.y + cos(self.orientation) * radius
x = cx + sin(self.orientation + b) * radius
y = cy - cos(self.orientation + b) * radius
o = (self.orientation + b) % (2*pi)
result = robot()
result.set(x, y, o)
result.set_noise(self.bearing_noise, self.steering_noise, self.distance_noise)
return result # make sure your move function returns an instance
def localize(self, robot_pose, laser_scan):
sigma_coord, sigma_theta = RobotParams.sigmaCoord, RobotParams.sigmaTheta
laser_scan_obstacles = filter(lambda rec: rec[2] == Map.OBSTACLE, laser_scan.data)
estimated_pose = robot_pose.copy().translate_by_dist(0) # laser offset
estimated_dist = self.__scanDistance(estimated_pose, laser_scan_obstacles)
init_dist = estimated_dist
bad_samples_cnt = total_samples_cnt = 0
while bad_samples_cnt < RobotParams.badMCIterations and total_samples_cnt < RobotParams.maxMCIterations:
total_samples_cnt += 1
sample = estimated_pose.copy() \
.translate(random.gauss(0, sigma_coord), random.gauss(0, sigma_coord)) \
.rotate(random.gauss(0, sigma_theta))
sample_dist = self.__scanDistance(sample, laser_scan_obstacles)
if estimated_dist <= sample_dist:
bad_samples_cnt += 1
continue
estimated_dist, estimated_pose = sample_dist, sample
if RobotParams.badMCIterations // 3 < bad_samples_cnt:
bad_samples_cnt = 0
sigma_coord *= 0.5
sigma_theta *= 0.5
pose_diff = estimated_pose - robot_pose
d_pose = max(abs(pose_diff[0]), abs(pose_diff[1]), abs(pose_diff[2]))
if 0.0 < d_pose:
rospy.loginfo("MC Correction -- dx: %.2f | dy: %.2f | dt: %.2f ",
pose_diff[0], pose_diff[1], pose_diff[2])
return estimated_pose.translate_by_dist(-0) # laser offset
def move(self, motion): # Do not change the name of this function
# ADD CODE HERE
alpha = random.gauss(motion[0], self.steering_noise) #steering angle
distance = motion[1] + random.gauss(0, self.distance_noise) #Distance moved
theta = self.orientation #Orientation of the robot
beta = distance / self.length * tan(alpha)
result = robot(self.length)
result.set(self.x, self.y, self.orientation)
result.set_noise(bearing_noise, steering_noise, distance_noise)
if beta > 0.001:
radius = distance / beta
cx = self.x - sin(theta) * radius
cy = self.y + cos(theta) * radius
result.x = cx + (sin(theta + beta) * radius)
result.y = cy - (cos(theta + beta) * radius)
theta = (theta + beta) % (2 * pi)
result.orientation = theta
else:
result.x = self.x + distance * cos(theta)
result.y = self.y + distance * sin(theta)
result.orientation = (theta + beta) % 2 * pi
return result
def writeTuple() :
# create Tuple
s=Proxy_Store("treeDemo.root","root",1)
tuple = Tuple(s,"t","Example tuple with particles","TVector3 p; double mass")
im = tuple.findColumn("mass")
# create p vector
v=TVector3()
v_pointer = v._C_instance
tuple.setAddress("p",v_pointer.address())
im=tuple.findColumn("mass")
import random
for i in range(0,1000) :
v.SetXYZ( random.gauss(0,1), random.gauss(1,2), random.gauss(2,5) )
tuple.fill(im, random.gauss(10,1) )
tuple.addRow()
print "Tuple filled with ",tuple.rows()," rows "
s.close()
return
def run(self):
sim_bam = pysam.Samfile(self.out + ".bam", "wb", header=TEST_HEADER)
# Randomly generate number from 2 to value normalized for genomic region for N value
read_range = xrange(2, self.total_reads / 500)
# pdb.set_trace()
mid_position = self.initial_mid_position
count = 0
total_reads = self.total_reads
while total_reads > 0:
N = random.sample(read_range, 1)[0]
total_reads = total_reads - N
while N > 0:
count = count + 1
N = N - 1
# Introduce jitter
tmp_mid_position = int(round(mid_position + random.uniform(-1, 1) * self.jitter))
isize = int(round(random.gauss(145, self.insert_sd)))
positions = ((tmp_mid_position - (isize / 2), isize), (tmp_mid_position + (isize / 2), -isize))
# Construct/write paired AlignedReads
for position in positions:
read = construct_read(count, 0, position[0], position[1], position[1] > 0)
sim_bam.write(read)
# Advance position by 300
advance = self.advance
if self.jitter_advance > 0:
advance = int(round(random.gauss(advance, self.jitter_advance)))
mid_position = mid_position + advance
sim_bam.close()
def move(self, motion): # Do not change the name of this function
theta = self.orientation
alfa = float(motion[0]) + random.gauss(0.0, self.steering_noise)
d = float(motion[1]) + random.gauss(0.0, self.distance_noise)
beta = (d/self.length)*tan(alfa)
newx = 0.0
newy = 0.0
newtheta = 0.0
if (abs(beta) < 0.001):
newx = self.x + d * cos(theta)
newy = self.y + d * sin(theta)
newtheta = (theta + beta) % (2*pi)
else:
R = d/beta
cx = self.x - R * sin(theta)
cy = self.y + R * cos(theta)
newx = cx + R * sin(beta + theta)
newy = cy - R * cos(beta + theta)
newtheta = (theta + beta) % (2*pi)
result = robot(self.length)
result.set(newx, newy, newtheta)
return result # make sure your move function returns an instance
def __init__(self, world, space, pos, color, capsules, radius, mass=2, fixed=False, orientation=v(1, 0, 0, 0)):
"capsules is a list of (start, end) points"
self.capsules = capsules
self.body = ode.Body(world)
self.body.setPosition(pos)
self.body.setQuaternion(orientation)
m = ode.Mass()
# computing MOI assuming sphere with .5 m radius
m.setSphere(mass/(4/3*math.pi*.5**3), .5) # setSphereTotal is broken
self.body.setMass(m)
self.geoms = []
self.geoms2 = []
for start, end in capsules:
self.geoms.append(ode.GeomTransform(space))
x = ode.GeomCapsule(None, radius, (end-start).mag())
self.geoms2.append(x)
self.geoms[-1].setGeom(x)
self.geoms[-1].setBody(self.body)
x.setPosition((start+end)/2 + v(random.gauss(0, .01), random.gauss(0, .01), random.gauss(0, .01)))
a = (end - start).unit()
b = v(0, 0, 1)
x.setQuaternion(sim_math_helpers.axisangle_to_quat((a%b).unit(), -math.acos(a*b)))
self.color = color
self.radius = radius
if fixed:
self.joint = ode.FixedJoint(world)
self.joint.attach(self.body, None)
self.joint.setFixed()
def move(self, motion):
# obtain steering angle and distance forward
steering = random.gauss(motion[0], self.steering_noise)
distance = random.gauss(motion[1], self.distance_noise)
# compute turning angle
turning_angle = distance / self.length * tan(steering)
if turning_angle < 0.001:
# approximate by straight line motion
new_x = self.x + (distance * cos(self.orientation))
new_y = self.y + (distance * sin(self.orientation))
new_orientation = (self.orientation + turning_angle) % (2*pi)
else:
# compute radio and center of the circular path
R = distance / turning_angle
cx = self.x - (R*sin(self.orientation))
cy = self.y + (R*cos(self.orientation))
new_x = cx + (R*sin(self.orientation+turning_angle))
new_y = cy - (R*cos(self.orientation+turning_angle))
new_orientation = (self.orientation + turning_angle) % (2*pi)
# copy values to the new robot
result = robot()
result.length = self.length
result.set(new_x, new_y, new_orientation)
result.set_noise(self.bearing_noise, self.steering_noise, self.distance_noise)
return result
def initial(average): a=[0 for i in range(2*NP+2)] for i in range(0,2*NP): a[i]=average[i]+random.gauss(0.0,0.1) for i in range(2): a[2*NP+i]=2.8+random.gauss(0.0,0.2) return a
def resample_particles(self):
""" Resample the particles according to the new particle weights.
The weights stored with each particle should define the probability that a particular
particle is selected in the resampling step. You may want to make use of the given helper
function draw_random_sample.
"""
#Primeiro de tudo, normalizar particulas
self.normalize_particles()
#Criar array do numpy vazia do tamanho do numero de particulas.
values = np.empty(self.n_particles)
#Preencher essa lista com os indices das particulas
for i in range(self.n_particles):
values[i] = i
#Criar uma lista para novas particulas
new_particles = []
#Criar lista com os indices das particulas com mais probabilidade
random_particles = ParticleFilter.weighted_values(values,[p.w for p in self.particle_cloud],self.n_particles)
for i in random_particles:
#Transformar o I em inteiro para corrigir bug de float
int_i = int(i)
#Pegar particula na possicao I na nuvem de particulas.
p = self.particle_cloud[int_i]
#Adicionar particulas somando um valor aleatorio da distribuicao gauss com media = 0 e desvio padrao = 0.025
new_particles.append(Particle(x=p.x+gauss(0,.025),y=p.y+gauss(0,.025),theta=p.theta+gauss(0,.025)))
#Igualar nuvem de particulas a novo sample criado
self.particle_cloud = new_particles
#Normalizar mais uma vez as particulas.
self.normalize_particles()
def update(self, velX, velY): #Don't update after a crash #if self.crashed: # return velY -= gravity #Update true position #True velocity is intentional accel + random force accel self.posX += self.velX + random.gauss(0, self.randomForce) self.posY += self.velY + random.gauss(0, self.randomForce) self.velX = velX self.velY = velY sensorX = self.posX + random.gauss(0,self.sensorNoise) sensorY = self.posY + random.gauss(0,self.sensorNoise) #update naive estimated position self.posXEst = sensorX self.posYEst = sensorY self.kalman(timeUpdate, sensorX, sensorY) #Crash if we hit the ground if self.posY < 0: self.crashed = True self.logGT.log(self.posX, self.posY) self.logEst.log(self.posXEst, self.posYEst) self.logKal.log(self.x[0], self.x[1]) self.time += 1 self.printValues()
def move(self, motion): # Do not change the name of this function
theta = self.orientation
alpha = float(motion[0]) + random.gauss(0.0, self.steering_noise)
alpha %= 2.0 * pi
d = float(motion[1]) + random.gauss(0.0, self.distance_noise)
beta = (d/self.length) * tan(alpha)
if (beta < 0.001):
xnew = self.x + d*cos(theta)
ynew = self.y + d*sin(theta)
else:
R = d/beta
cx = self.x - sin(theta)*R
cy = self.y + cos(theta)*R
xnew = cx + sin(theta+beta)*R
ynew = cy - cos(theta+beta)*R
theta_new = (theta+beta) % (2*pi)
result = robot(self.length)
result.set(xnew, ynew, theta_new)
result.set_noise(self.bearing_noise, self.steering_noise,
self.distance_noise )
return result # make sure your move function returns an instance
def __init__(self, name="anonymous goblin", **kwargs):
"""creates a new goblin instance
every attribute can be overwritten with an argument like
g = Goblin(attack = 33.2)
this will overwrite the random self.attack attribute with 33.2
"""
self.name = name
self.attack = random.gauss(Config.attack, 2) # float values
self.defense = random.gauss(Config.defense, 2)
# always create an goblin with twice the "normal" hitpoints
# to make him cost real money
self.hitpoints = random.gauss(Config.hitpoints*2, 3)
self.fullhealth = self.hitpoints
self.defense_penalty = 0 # integer value
self.sleep = False # boolean
#statistics
self.damage_dealt = 0
self.damage_received = 0
self.victory = 0 # over all rounds
self.streak = 0 # victories in this combat
self.lastround = 0 # number of combatround whre goblin lost
self.lost = 0
self.fights = 0
# overwrite attributes if keywords were passed as arguments
for key in kwargs:
self.__setattr__(key, kwargs[key])
# but do not mess around with number
self.number = Goblin.number # access class attribute
Goblin.number += 1 # prepare class attribute for next goblin
# calculate value based on averages described in class Config
self.value = self.calculate_value()
def old_jpq_mutated(self, indiv, pop):
""" mutate some genes of the given individual """
res = indiv.copy()
#to avoid having a child identical to one of the currentpopulation'''
in_pop = self.childexist(indiv,pop)
for i in range(self.numParameters):
if random() < self.mutationProb:
res[i] = max(min(indiv[i] + gauss(0, self.mutationStdDev),self.maxs[i]),
self.mins[i])
if random() < self.mutationProb or in_pop:
if self.xBound is None:
res[i] = indiv[i] + gauss(0, self.mutationStdDev)
else:
if in_pop:
cmin = abs(indiv[i] - self.mins[i])/(self.maxs[i]-self.mins[i])
cmax = abs(indiv[i] - self.maxs[i])/(self.maxs[i]-self.mins[i])
if cmin < 1.e-7 or cmax < 1.e-7:
res[i] = self.mins[i] + random()*random()*(self.maxs[i]-self.mins[i])
else:
res[i] = max(min(indiv[i] + gauss(0, self.mutationStdDev),self.maxs[i]),
self.mins[i])
else:
res[i] = max(min(indiv[i] + gauss(0, self.mutationStdDev),self.maxs[i]),
self.mins[i])
return res
def move(self, motion): # Do not change the name of this function
steering = motion[0]
dist = motion[1]
result = self
# add noise
steering2 = random.gauss(steering, result.steering_noise)
dist2 = random.gauss(dist, result.distance_noise)
turn = tan(steering2) * dist2 / result.length
tolerance = 0.001
if abs(turn) < tolerance:
# approximate by straight line motion
result.x+=(cos(result.orientation) * dist2)
result.y+=(sin(result.orientation) * dist2)
result.orientation = (result.orientation + turn) % (2.0 * pi)
else:
# bicycle motion
radius = dist2 / turn
cx = result.x - (sin(result.orientation) * radius)
cy = result.y + (cos(result.orientation) * radius)
result.orientation = (result.orientation + turn) % (2.0 * pi)
result.x = cx + sin(result.orientation) * radius
result.y = cy + cos(result.orientation) * radius
return result # make sure your move function returns an instance
def move(self, motion): # Do not change the name of this function
theta = self.orientation
length = self.length
x = self.x
y = self.y
alpha, d = motion;
alphar = random.gauss(alpha, self.steering_noise)
dr = random.gauss(d, self.distance_noise)
alpha = alphar
d = dr
beta = (d/length)*tan(alpha)
if (abs(beta) > 0.001):
R = d/beta
cx = x - sin(theta)*R
cy = y + cos(theta)*R
x = cx + sin(theta+beta)*R
y = cy - cos(theta+beta)*R
theta = (theta+beta)%(2*pi)
else:
x = x+d*cos(theta)
y = y+d*sin(theta)
theta = (theta+beta)%(2*pi)
result = robot()
result.set_noise(self.bearing_noise, self.steering_noise, self.distance_noise)
result.set(x,y,theta)
return result # make sure your move function returns an instance
def modify(self):
data_vars = []
if not self._2D:
data_vars.append('roll')
data_vars.append('pitch')
data_vars.append('yaw')
# generate a gaussian noise rotation vector
rot_vec = Vector((0.0, 0.0, 0.0))
for i in range(0, 3):
if data_vars[i] in self._rot_std_dev:
rot_vec[i] = random.gauss(rot_vec[i], self._rot_std_dev[data_vars[i]])
# convert rotation vector to a quaternion representing the random rotation
angle = rot_vec.length
if angle > 0:
axis = rot_vec / angle
noise_quat = Quaternion(axis, angle)
else:
noise_quat = Quaternion()
noise_quat.identity()
try:
self.data['orientation'] = (noise_quat * self.data['orientation']).normalized()
except KeyError:
# for eulers this is a bit crude, maybe should use the noise_quat here as well...
for var in data_vars:
if var in self.data and var in self._rot_std_dev:
self.data[var] = random.gauss(self.data[var], self._rot_std_dev[var])
def move(self, motion): # Do not change the name of this function
# ADD CODE HERE
if motion[1] < 0:
raise ValueError, 'Robot cannot move backwards'
# move, and add randomness to the motion command
dist = float(motion[1]) + random.gauss(0.0, self.distance_noise)
# turn, and add randomness to the turning command
theta = self.orientation + random.gauss(0.0, self.bearing_noise)
alpha = float(motion[0]) + random.gauss(0.0, self.steering_noise)
alpha %= 2 * pi
beta = tan(alpha) * dist / float(self.length)
if beta < 0.001:
x = self.x + dist * cos(theta)
y = self.y + dist * sin(theta)
theta = theta + beta
else:
r = dist / beta
cx = self.x - r * sin(theta)
cy = self.y + r * cos(theta)
x = cx + r * sin(theta + beta)
y = cy - r * cos(theta + beta)
theta = theta + beta
# set particle
res = robot(self.length)
res.set(x, y, theta)
res.set_noise(self.bearing_noise, self.steering_noise, self.distance_noise)
return res # make sure your move function returns an instance
def get_cuckoo(nests, best_nest, Lb, Ub, nest_number,nd,stepsize, percentage):
import math
import scipy.special
import random
#Mantegna's Algorithm
alpha = 1.5 #flexible parameter but this works well. Also need to plug in decimal form
sigma=(scipy.special.gamma(1+alpha)*math.sin(math.pi*alpha/2)/(scipy.special.gamma((1+alpha)/2)*alpha*2**((alpha-1)/2)))**(1/alpha)
for i in range(int(round(nest_number*percentage))):
temp = nests[i][:]
step = [0]*len(temp)
for j in range(len(temp)):
sign = 1
a = random.gauss(0,1)*sigma
b = random.gauss(0,1)
if a < 0:
sign = -1
step[j] = sign*stepsize[j]*((abs(a)/abs(b))**(1/alpha))*(temp[j]-best_nest[j])
temp[j] = round(temp[j]+step[j]*random.gauss(0,1),3)
#check to see if new solution is within bounds
if temp[j] <= Lb[j]:
temp[j] = Lb[j]
elif temp[j] >= Ub[j]:
temp[j] = Ub[j]
#!!!we need second parameter to be larger than first. If conditions like these are necessary, change this section to
#!!!needed conditions. Otherwise remove or comment out.
if j == 1 and temp[j] < temp[0]:
coin = random.randint(0,1)
if coin == 0:
temp[0] = round(random.uniform(Lb[0],temp[j]),3)
else:
temp[j] = round(random.uniform(temp[0],Ub[j]),3)
nests[i][:] = temp
return nests
def logPokemonDb(p):
pokemon_id = int(p['pokemon_data']['pokemon_id'])
pokemon_name = get_pokemon_name(str(pokemon_id)).lower().encode('ascii','ignore')
last_modified_time = int(p['last_modified_timestamp_ms'])
time_until_hidden_ms = int(p['time_till_hidden_ms'])
hidden_time_unix_s = int((p['last_modified_timestamp_ms'] + p['time_till_hidden_ms']) / 1000.0)
hidden_time_utc = datetime.utcfromtimestamp(hidden_time_unix_s)
encounter_id = str(p['encounter_id'])
spawnpoint_id = str(p['spawn_point_id'])
longitude = float(p['longitude'])
latitude = float(p['latitude'])
longitude_jittered = longitude + (random.gauss(0, 0.3) - 0.5) * 0.0005
latitude_jittered = latitude + (random.gauss(0, 0.3) - 0.5) * 0.0005
#query = "INSERT INTO spotted_pokemon (name, encounter_id, last_modified_time, time_until_hidden_ms, hidden_time_unix_s, hidden_time_utc, spawnpoint_id, longitude, latitude, pokemon_id, longitude_jittered, latitude_jittered) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s);"
query = "INSERT INTO spotted_pokemon (name, encounter_id, last_modified_time, time_until_hidden_ms, hidden_time_unix_s, hidden_time_utc, spawnpoint_id, longitude, latitude, pokemon_id, longitude_jittered, latitude_jittered) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s) ON CONFLICT (encounter_id) DO UPDATE SET last_modified_time = EXCLUDED.last_modified_time, time_until_hidden_ms = EXCLUDED.time_until_hidden_ms, hidden_time_unix_s = EXCLUDED.hidden_time_unix_s, hidden_time_utc = EXCLUDED.hidden_time_utc;"
data = (pokemon_name, encounter_id, last_modified_time, time_until_hidden_ms, hidden_time_unix_s, hidden_time_utc, spawnpoint_id, longitude, latitude, pokemon_id, longitude_jittered, latitude_jittered)
try:
cursor.execute(query, data)
except Exception,e:
log.error('Postgresql error (%s)', str(e))
def move(self, motion): # Do not change the name of this function
alpha = random.gauss(motion[0], sqrt(self.steering_noise))
d = random.gauss(motion[1], sqrt(self.distance_noise))
beta = (d / self.length) * tan(alpha)
if(beta >= abs(0.001)):
R = d / beta
cx = self.x - sin(self.orientation) * R
cy = self.y + cos(self.orientation) * R
x = cx + sin(self.orientation + beta) * R
y = cy - cos(self.orientation + beta) * R
orientation = (self.orientation + beta) % (2*pi)
else:
x = self.x + d * cos(self.orientation)
y = self.y + d * sin(self.orientation)
orientation = (self.orientation + beta) % (2*pi)
result = robot(self.length)
result.set(x, y, orientation)
result.set_noise(self.bearing_noise, self.steering_noise, self.distance_noise)
return result
def move(self, robot, steering, distance,
tolerance = 0.001, max_steering_angle = pi / 4.0):
if steering > max_steering_angle:
steering = max_steering_angle
if steering < -max_steering_angle:
steering = -max_steering_angle
if distance < 0.0:
distance = 0.0
# apply noise
steering2 = random.gauss(steering, self.steering_noise)
distance2 = random.gauss(distance, self.distance_noise)
# Execute motion
turn = tan(steering2) * distance2 / self.length
if abs(turn) < tolerance:
# approximate by straight line motion
x = robot.pos.x + (distance2 * cos(robot.orientation))
y = robot.pos.y + (distance2 * sin(robot.orientation))
orientation = (robot.orientation + turn) % (2.0 * pi)
else:
# approximate bicycle model for motion
radius = distance2 / turn
cx = robot.pos.x - (sin(robot.orientation) * radius)
cy = robot.pos.y + (cos(robot.orientation) * radius)
orientation = (robot.orientation + turn) % (2.0 * pi)
x = cx + (sin(orientation) * radius)
y = cy - (cos(orientation) * radius)
return (x,y,orientation)
def move(self, motion, tol = 0.001): # Do not change the name of this function
result = robot()
steerangle = motion[0]
dist = motion[1]
#if abs(steerangle)
result.length = self.length
result.bearing_noise = self.bearing_noise
result.steering_noise = self.steering_noise
steerangle +=random.gauss(0.0, self.steering_noise)
steerangle %= (2*pi)
result.distance_noise = self.distance_noise
dist += random.gauss(0.0, self.distance_noise)
beta = dist / self.length * tan(steerangle)
if abs(beta)<= tol:
result.x = self.x + dist * cos(self.orientation)
result.y = self.y + dist * sin(self.orientation)
result.orientation = (self.orientation + beta ) % (2.0 *pi)
else:
R = dist / beta
cx = self.x - R * sin(self.orientation)
cy = self.y + R * cos(self.orientation)
result.orientation = (self.orientation + beta) % (2*pi)
result.x = cx + sin(beta + self.orientation) * R
result.y = cy - cos(beta + self.orientation) * R
return result # make sure your move function returns an instance
def compute_random_cut_off(self):
desired_v_removed = int(gauss(len(self.V) / 2, len(self.V)/6))
while desired_v_removed >= len(self.V) - self.threshold or desired_v_removed < self.threshold:
desired_v_removed = int(gauss(len(self.V) / 2, len(self.V)/6))
ratio = 1
estimate_block_size = int(((len(self.L) - self.received_count) / (len(self.V) - self.threshold)) * ratio)
return estimate_block_size * desired_v_removed + randint(0, estimate_block_size) - self.received_count
def GaussLk( self, newLkFile, sigma ) :
fout = open( newLkFile, "w" )
fout.write("# input data : %s\n" % "+ Gaussian error" )
percentU = percentQ = 0.
for lineStr,f1,f2 in zip (self.LeakList[0].lineStr, self.LeakList[0].f1, self.LeakList[0].f2) :
print lineStr
fout.write("#\n")
for ant in range(1,16) :
DRlist = []
DLlist = []
for Lk in self.LeakList :
if Lk.ant == ant :
for lineStr1,DR1,DL1 in zip( Lk.lineStr, Lk.DR, Lk.DL ) :
if (lineStr1 == lineStr) and (abs(DR1) > 0.) and (abs(DL1) > 0.) :
DRlist.append( DR1 )
DLlist.append( DL1 )
print "... ant %d - appending data from %s" % ( ant, Lk.legend )
if len(DRlist) > 0 :
DRmean = numpy.mean(DRlist)
DLmean = numpy.mean(DLlist)
DRnew = random.gauss(numpy.real(DRmean), sigma) + random.gauss(numpy.imag(DRmean), sigma) * 1j
DLnew = random.gauss(numpy.real(DLmean), sigma) + random.gauss(numpy.imag(DLmean), sigma) * 1j
else :
DRnew = 0. + 0j
DLnew = 0. + 0j
print ant, DRnew, DLnew
fout.write("C%02d %8.3f %8.3f %8.3f %6.3f %8.3f %6.3f %8.3f %6.3f %s\n" % \
( ant, f1, f2, DRnew.real, DRnew.imag, DLnew.real, \
DLnew.imag, percentQ, percentU, lineStr) )
fout.close()
def move(self, motion):
a = random.gauss(motion[0], self.steering_noise)
d = random.gauss(motion[1], self.distance_noise)
b = (d * tan(a)) / self.length
new_orientation = (b + self.orientation) % (2 * pi)
if b > 0.001:
r = d / b
cx = self.x - r * sin(self.orientation)
cy = self.y + r * cos(self.orientation)
new_x = cx + r * sin(new_orientation)
new_y = cy - r * cos(new_orientation)
else:
new_x = self.x + d * cos(new_orientation)
new_y = self.y + d * sin(new_orientation)
res = robot()
res.x = new_x
res.y = new_y
res.orientation = new_orientation
res.length = self.length
res.bearing_noise = self.bearing_noise
res.steering_noise = self.steering_noise
res.distance_noise = self.distance_noise
return res
import os
from collections import defaultdict
import sys
import math
import json
import random
import collections
#random.seed(777)
weight = {}
bias = {}
sOperation = ["shift", "reduce left", "reduce right"]
for sOp in sOperation:
weight[sOp] = []
bias[sOp] = random.gauss(0, 1)
i_phi = {}
pathInput = "../../data/mstparser-en-train.dep"
pathModel = "model.json"
dElements = {}
tdict = {}
tdict["a"] = 0
for i, j in tdict.items():
print(i, j)
class cElement:
def __init__(self, index, word, POS, head, label):
self.index = index
self.word = word
self.POS = POS
def sense(self):
return [
random.gauss(self.x, self.measurement_noise),
random.gauss(self.y, self.measurement_noise)
]
def lombScargle(frequencyRange,objectmag=20,loopNo=looooops,df=0.001,fmin=0.001,numsteps=100000,modulationAmplitude=0.1,Nquist=200): # frequency range and object mag in list
#global totperiod, totmperiod, totpower, date, amplitude, frequency, periods, LSperiod, power, mag, error, SigLevel
results = {}
totperiod = []
totmperiod = []
totpower = [] # reset
SigLevel = []
filterletter = ['o','u','g','r','i','z','y']
period = 1/(frequencyRange)
if period > 0.5:
numsteps = 10000
elif period > 0.01:
numsteps = 100000
else:
numsteps = 200000
freqs = fmin + df * np.arange(numsteps) # for manuel
allobsy, uobsy, gobsy, robsy, iobsy, zobsy, yobsy = [], [], [], [], [], [], [] #reset
measuredpower = [] # reset
y = [allobsy, uobsy, gobsy, robsy, iobsy, zobsy, yobsy] # for looping only
for z in range(1, len(y)):
#y[z] = averageFlux(obs[z], frequencyRange[frange], 30) # amplitde calculation for observations, anf frequency range
y[z] = ellipsoidalFlux(obs[z], frequencyRange,30)
y[z] = [modulationAmplitude * t for t in y[z]] # scaling
for G in range(0, len(y[z])):
flareMinute = int(round((obs[z][G]*24*60*2)%((dayinsec/(30*2))*flarecycles)))
y[z][G] = y[z][G] + longflare[flareMinute] # add flares swapped to second but not changing the name intrtoduces fewer bugs
date = []
amplitude = []
mag = []
error = []
filts = []
for z in range(1, len(y)):
if objectmag[z] > sat[z] and objectmag[z] < lim[z]:
#date.extend([x for x in obs[z]])
date.extend(obs[z])
amplitude = [t + random.gauss(0,magUncertainy(zeroPoints[z],objectmag[z],30,background,FWHMeff[z])) for t in y[z]] # scale amplitude and add poisson noise
mag.extend([objectmag[z] - t for t in amplitude]) # add actual mag
error.extend([sigSys + magUncertainy(zeroPoints[z],objectmag[z],30,background,FWHMeff[z])+0.2]*len(amplitude))
filts.extend([filterletter[z]]*len(amplitude))
phase = [(day % (period*2))/(period*2) for day in obs[z]]
pmag = [objectmag[z] - t for t in amplitude]
# plt.plot(phase, pmag, 'o', markersize=4)
# plt.xlabel('Phase')
# plt.ylabel('Magnitude')
# plt.gca().invert_yaxis()
# plt.title('filter'+str(z)+', Period = '+str(period))#+', MeasuredPeriod = '+str(LSperiod)+', Periodx20 = '+(str(period*20)))
# plt.show()
# plt.plot(date, mag, 'o')
# plt.xlim(lower,higher)
# plt.xlabel('time (days)')
# plt.ylabel('mag')
# plt.gca().invert_yaxis()
# plt.show()
model = periodic.LombScargleMultibandFast(fit_period=False)
model.fit(date, mag, error, filts)
power = model.score_frequency_grid(fmin, df, numsteps)
if period > 10.:
model.optimizer.period_range=(10, 110)
elif period > 0.51:
model.optimizer.period_range=(0.5, 10)
elif period > 0.011:
model.optimizer.period_range=(0.01, 0.52)
else:
model.optimizer.period_range=(0.0029, 0.012)
LSperiod = model.best_period
if period < 10:
higher = 10
else:
higher = 100
# fig, ax = plt.subplots()
# ax.plot(1./freqs, power)
# ax.set(xlim=(0, higher), ylim=(0, 1.2),
# xlabel='period (days)',
# ylabel='Lomb-Scargle Power',
# title='Period = '+str(period)+', MeasuredPeriod = '+str(LSperiod)+', Periodx20 = '+(str(period*20)));
# plt.show()
phase = [(day % (period*2))/(period*2) for day in date]
#idealphase = [(day % (period*2))/(period*2) for day in dayZ]
#print(len(phase),len(idealphase))
#plt.plot(idealphase,Zmag,'ko',)
# plt.plot(phase, mag, 'o', markersize=4)
# plt.xlabel('Phase')
# plt.ylabel('Magnitude')
# plt.gca().invert_yaxis()
# plt.title('Period = '+str(period)+', MeasuredPeriod = '+str(LSperiod)+', Periodx20 = '+(str(period*20)))
# plt.show()
#print(period, LSperiod, period*20)
# print('actualperiod', period, 'measured period', np.mean(LSperiod),power.max())# 'power',np.mean(power[maxpos]))
# print(frequencyRange[frange], 'z', z)
# totperiod.append(period)
# totmperiod.append(np.mean(LSperiod))
# totpower.append(power.max())
mpower = power.max()
measuredpower.append(power.max()) # should this correspond to period power and not max power?
maxpower = []
counter = 0.
for loop in range(0,loopNo):
random.shuffle(date)
model = periodic.LombScargleMultibandFast(fit_period=False)
model.fit(date, mag, error, filts)
power = model.score_frequency_grid(fmin, df, numsteps)
maxpower.append(power.max())
for X in range(0, len(maxpower)):
if maxpower[X] > measuredpower[-1]:
counter = counter + 1.
Significance = (1.-(counter/len(maxpower)))
#print('sig', Significance, 'counter', counter)
SigLevel.append(Significance)
#freqnumber = FrangeLoop.index(frequencyRange)
#magnumber = MagRange.index(objectmag)
#print(fullmaglist)
#listnumber = (magnumber*maglength)+freqnumber
# print(listnumber)
# measuredperiodlist[listnumber] = LSperiod
# periodlist[listnumber] = period
# powerlist[listnumber] = mpower
# siglist[listnumber] = Significance
# fullmaglist[listnumber] = objectmag
# results order, 0=mag,1=period,2=measuredperiod,3=siglevel,4=power,5=listnumber
results[0] = objectmag[3]
results[1] = period
results[2] = LSperiod
results[3] = Significance
results[4] = mpower
results[5] = 0#listnumber
return results
def process ( self , item ) :
i, n = item
import ROOT, random
h1 = ROOT.TH1F ( 'h%d' % i , '' , 100 , 0 , 10 )
for i in range ( n ) : h1.Fill ( random.gauss ( 5 , 1 ) )
return h1
def rand_vector():
vec = [gauss(0, 1) for i in range(3)]
mag = sum(x**2 for x in vec) ** 0.5
return [x/mag for x in vec]
def Mutate(self):
geneToMutate = random.randint(0, 3)
self.genome[geneToMutate] = random.gauss(geneToMutate,
math.fabs(geneToMutate))
#! /usr/bin/env python2
"""
histogram.py: A program to print "
"""
__author__ = "Seshagiri Prabhu"
__copyright__ = "MIT License"
import random
if __name__ == "__main__":
"""
Main function
"""
# Generates random numbers
gen_numbers = []
for x in xrange(1001):
gen_numbers.append(int(random.gauss(5, 2)))
# Finds the frequency of numbers
normalized = dict((i, gen_numbers.count(i)) for i in gen_numbers)
# Prints histogram
for key, value in normalized.iteritems():
if key > -1 and key < 11:
print str(key) + ":\t" + (value / 10) * "*"
def data_augmentation(self):
#数据集增强,主要通过计算正负样本的均值，方差，向正负样本加上高斯噪声
#高斯噪声
label="host"
data=self.get_dataset(cond={'label':label})
avg=list()
std=list()
veclen=len(data[0]['vec'])
sampleSize=len(data)
for j in range(0,veclen):
avg.append(0)
for i in range(0,sampleSize):
avg[j]+=data[i]['vec'][j]
for j in range(0,veclen):
avg[j]/=sampleSize
for j in range(0,veclen):
std.append(0)
for i in range(0,sampleSize):
std[j]+=(data[i]['vec'][j]-avg[j])**2
for j in range(0,veclen):
std[j]/=(0.000001+sampleSize-1)
std[j]=std[j]**0.5+0.000001
for each in data:
for j in range(0,veclen):
#each['vec'][j]=(each['vec'][j]-avg[j])/std[j]
each['vec'][j]=0.95*each['vec'][j]+0.05*random.gauss(avg[j],std[j])
each.setdefault('tag','data_augmentation')
each.pop('_id')
self.insert(data)
label="nat"
data=self.get_dataset(cond={'label':label})
nat_data=data.copy()
avg=[]
std=[]
veclen=len(data[0]['vec'])
sampleSize=len(data)
for j in range(0,veclen):
avg.append(0)
for i in range(0,sampleSize):
avg[j]+=data[i]['vec'][j]
for j in range(0,veclen):
avg[j]/=sampleSize
for j in range(0,veclen):
std.append(0)
for i in range(0,sampleSize):
std[j]+=(data[i]['vec'][j]-avg[j])**2
for j in range(0,veclen):
std[j]/=(0.000001+sampleSize-1)
std[j]=std[j]**0.5+0.000001
for each in data:
for j in range(0,veclen):
#each['vec'][j]=(each['vec'][j]-avg[j])/std[j]
each['vec'][j]=0.95*each['vec'][j]+0.05*random.gauss(avg[j],std[j])
each.setdefault('tag','data_augmentation_gauss')
each.pop('_id')
self.insert(data)
#将部分Nat的TTL个数改为1，因为也的确会有同一个局域网中所有主机的OS会是一致的情况.将比例控制在10%
for each in nat_data:
p=random.uniform(0,1)
if p<0.1 and each['vec'][-2]!=1:
each['vec'][-2]=1
each.setdefault('tag','data_augmentation_nat_synthes')
each.pop('_id')
self.insert(each)
train_data = np.delete(train_data, -1, 1)
train_label = np.array(uni[:,-1]).reshape((train_data.shape[0],1))
train_label[train_label==0] = -1
no_train_sample = train_data.shape[0]
no_variable = train_data.shape[1] + 1
c = [0]*(no_variable*2) + [-1]*no_train_sample + [0]*no_train_sample
b = [-1]*no_train_sample
U = np.diag([-1]*no_train_sample)
S = np.diag([1]*no_train_sample)
A = np.zeros((no_train_sample,no_variable*2))
one = np.array([random.gauss(1, 0.1) for i in range(no_train_sample)]).reshape((no_train_sample,1))
Z = train_label*np.concatenate((train_data,one),axis = 1)
for i in range(no_variable):
A[:,2*i] = Z[:,i]
A[:,2*i+1] = -1*Z[:,i]
A = np.concatenate((A,U),axis = 1)
A = np.concatenate((A,S),axis = 1)
# In[24]:
#==============================================================================
# import numpy as np
#
# train_data = np.load("dataset\DB_Vecs.npy")
# train_label = np.load("dataset\DB_Labels.npy")
def get_random_unit_vector(self):
v = np.array([random.gauss(0, 1) for _ in range(self.n)])
return v / np.linalg.norm(v)
def gen(self):
return random.gauss(0, 1)
def add_noise(data_point):
return random.gauss(data_point, 1)
matrx_all_X.append([a11**2, 2*a11*a12,a12**2]) #========================================= # Only x-axis analysis #========================================= sigma_rel_err = 0.05 n_ws = len(matrx_all_X) mMatrX = Matrix(matrx_all_X,n_ws,3) sigma2Vector = Matrix(n_ws,1) weightM = Matrix.identity(n_ws,n_ws) for ind in range(n_ws): sigma = sizes_X_arr[ind]*(1.0 + random.gauss(0.,sigma_rel_err)) sigma2Vector.set(ind,0,sigma**2) err2 = (2*sigma*sigma*sigma_rel_err)**2 weightM.set(ind,ind,1.0/err2) #=== mwmMatr = (M^T*W*M) ======= mwmMatr = ((mMatrX.transpose()).times(weightM)).times(mMatrX) #=== corr2ValMatr = [(M^T*W*M)^-1] * M^T * W * Vector(sigma**2) corr2ValMatr = (((mwmMatr.inverse()).times(mMatrX.transpose())).times(weightM)).times(sigma2Vector) corr2ErrMatr = mwmMatr.inverse() print "========================================" print "<x^2> = ","%12.5e"%corr2ValMatr.get(0,0)," +- ","%12.5e"%math.sqrt(abs(corr2ErrMatr.get(0,0))) print "<x*x'> = ","%12.5e"%corr2ValMatr.get(1,0)," +- ","%12.5e"%math.sqrt(abs(corr2ErrMatr.get(1,1)))
def generate_turbulence(self, wind_level):
self.tiltAngle += gauss(0.75, 1.0 * wind_level)
logging.info('Tilt after turbulence {}'.format(self.tiltAngle))
def make_rand_vector(dims):
vec = [gauss(0, 1) for i in range(dims)]
mag = sum(x**2 for x in vec)**0.5
return [x / mag for x in vec]
def resfit(self):
"""
implements logic of resfit.pro for this resonator
"""
rfp = self.resFitPrep()
x = rfp['functkw']['x']
y = rfp['functkw']['y']
err = rfp['functkw']['err']
p = rfp['p0']
parinfo = rfp['parinfo']
functkw = rfp['functkw']
m = mpfit(Resonator.resDiffLin,
p,
parinfo=parinfo,
functkw=functkw,
quiet=1)
rdlFit = Resonator.resDiffLin(m.params, fjac=None, x=x, y=y, err=err)
bestChi2 = np.power(rdlFit[1], 2).sum()
bestIter = 0
parold = p.copy()
random.seed(y.sum())
bestPar = p.copy()
bestM = m
for k in range(1, 12):
parnew = parold.copy()
parnew[0] = 20000 + 30000.0 * random.random()
parnew[1] = parold[1] + 5000 * random.gauss(0.0, 1.0)
parnew[2] = parold[2] + 0.2 * parold[2] * random.gauss(0.0, 1.0)
parnew[3] = parold[3] + 0.2 * parold[3] * random.gauss(0.0, 1.0)
parnew[4] = parold[4] + 5.0 * parold[4] * random.gauss(0.0, 1.0)
parnew[5] = parold[5] + 0.2 * parold[5] * random.gauss(0.0, 1.0)
parnew[6] = parold[6] + 0.5 * parold[6] * random.gauss(0.0, 1.0)
parnew[7] = parold[7] + 0.5 * parold[7] * random.gauss(0.0, 1.0)
parnew[8] = parold[8] + 0.5 * parold[8] * random.gauss(0.0, 1.0)
parnew[9] = parold[9] + 0.5 * parold[9] * random.gauss(0.0, 1.0)
m = mpfit(Resonator.resDiffLin,
parnew,
parinfo=parinfo,
functkw=functkw,
quiet=1)
rdlFit = Resonator.resDiffLin(m.params,
fjac=None,
x=x,
y=y,
err=err)
thisChi2 = np.power(rdlFit[1], 2).sum()
if m.status > 0 and thisChi2 < bestChi2:
bestIter = k
bestChi2 = thisChi2
bestM = m
p = bestM.params
yFit = Resonator.resModel(x, bestM.params)
ndf = len(x) - len(bestM.params)
# size of loop from fit
radius = (p[6] + p[7]) / 4.0
# normalized diamter of the loop (off resonance = 1)
diam = (2.0 * radius) / (math.sqrt(p[8]**2 + p[9]**2) + radius)
Qc = p[0] / diam
Qi = p[0] / (1.0 - diam)
dip = 1.0 - diam
try:
dipdb = 20.0 * math.log10(dip)
except ValueError:
dipdb = -99
chi2Mazin = math.sqrt(bestChi2 / ndf)
return {
"m": bestM,
"x": x,
"y": y,
"yFit": yFit,
"chi2": bestChi2,
"ndf": ndf,
"Q": p[0],
"f0": p[1] / 1e9,
"Qc": Qc,
"Qi": Qi,
"dipdb": dipdb,
"chi2Mazin": chi2Mazin,
"dip": dip
}
# -*- coding: utf-8 -*-
# 平均 μ=0，標準偏差 σ=0.7 のデータを200個生成して，ファイルに保存
import random
filename = "random200.dat"
T = 200;
mu = 0.0
sigma = 0.7
# random.seed( 20131107 )
f = open(filename, 'w')
for i in range(T):
f.write("%f\n" % random.gauss(mu,sigma) )
f.close()
def calcScore(self, song): scores = [] scores += [song.rating * random.gauss(1, 0.5)] scores += [self.calcContextMatchScore(song) * random.gauss(1, 0.5)] return sum(scores) + random.gauss(1, 0.5)
def crear_hogares(self):
"""
Consideranco la probabilidad de que en una casa exista un matrimonio,
y el promedio de hijos menores a 23 años en cada casa, se asignan
individuos a cada nodo hogar.
Se consideran personas solteras con y sin hijos.
"""
#Se generan las listas con cada tipo de individuos a repartir
hombres = [
ind for ind in self.agentes_a_asignar
if ind.sexo == 'h' and ind.edad >= 23
]
mujeres = [
ind for ind in self.agentes_a_asignar
if ind.sexo == 'm' and ind.edad >= 23
]
hijos = [ind for ind in self.agentes_a_asignar if ind.edad < 23]
print(
f'Cantidad de hombres {len(hombres)}, mujeres {len(mujeres)}, hijos {len(hijos)}'
)
contador_nodos = 0
while len(hombres) > 0 or len(mujeres) > 0:
a_agregar = []
matrimonio = random() < self.p_matrimonio
##Se asignan primero los jefes de familia (hombre y/o mujer)
if len(hombres) * len(mujeres) > 0 and matrimonio:
a_agregar.append(hombres.pop())
a_agregar.append(mujeres.pop())
else:
seleccion = sample([hombres, mujeres], 2)
if len(seleccion[0]) > 0:
a_agregar.append(seleccion[0].pop())
else:
a_agregar.append(seleccion[1].pop())
##Se asignan los hijos a cada casa
n_hijos = abs(int(gauss(self.promedio_hijos, 0.5)))
while len(hijos) > 0 and n_hijos > 0:
a_agregar.append(hijos.pop())
n_hijos -= 1
print(
f'En la casa {contador_nodos} hay {len(a_agregar)} personas. Matrimonio : {matrimonio}'
)
for i in a_agregar:
i.casa_id = contador_nodos
i.nodo_actual = contador_nodos
##Se procede a crear el nodo correspondiente
self.add_node(contador_nodos,
tipo='casa',
habitantes=[ind.unique_id for ind in a_agregar],
ocupantes=a_agregar)
self.casasids.append(contador_nodos)
contador_nodos += 1
##Si sobran hijos, entonces se agregan al azar a todos los nodos
while len(hijos) > 0:
hijo = hijos.pop()
idcasa = choice(list(self.nodes))
print(f'Se agrega un hijo a la casa {idcasa}... ', end='')
self.nodes[idcasa]['habitantes'].append(hijo.unique_id)
self.nodes[idcasa]['ocupantes'].append(hijo)
hijo.casa_id = idcasa
hijo.nodo_actual = idcasa
print('Agregado')
def visualizeSingleSystem(subplots, channel_file, power_system_object, pos, G,
a):
node_labels = {i: str(i) for i in range(1, 40)}
time, frequencies, res = getFrequencyDeviation(channel_file)
gens = [gen._bus for gen in power_system_object._generators]
loads = [load._bus for load in power_system_object._loads]
stubs = list(
set(range(1, power_system_object._nbus + 1)) - (set(gens + loads)))
nodelists = [gens, loads, stubs]
bus_colors = {}
node_colors = []
qss = nx.shortest_path_length(G, 10)
qsna = {key: (12 - qss[key]) * 1.0 / 10 for key in qss}
qsa = {key: (14 - qss[key]) * 1.0 / 9 for key in qss}
qsna[10] = 2.4
qsna[32] = 1.9
qsna[13] = 1.3
qsna[12] = 1.1
qsna[11] = 1.15
#qs = {10:0.99,32:0.93,13:0.94,12:0.923,11:0.947,14:0.912,15:0.901,6:0.873,31:}
for nodelist in nodelists:
#node_colors.append([float(res[key]) for key in res if key in nodelist])
temp = []
for i in range(len(nodelist)):
if a:
if nodelist[i] in qsa:
q = qsa[nodelist[i]] * random.gauss(.7, .08)
else:
q = 0 #random.gauss(.25,.25)
else:
if nodelist[i] in qsna:
q = qsna[nodelist[i]] * random.gauss(.35, .08)
else:
q = 0 #random.gauss(.25,.25)
if q < 0:
q = 0.0
if q > 1:
q = 1.0
bus_colors[nodelist[i]] = q
temp.append(q)
node_colors.append(temp)
shapes = ['s', 'o', 'o']
node_sizes = [90, 90, 90]
img = misc.imread('asd.PNG')
img[:, :, 3] = 190 #set alpha
plt.subplot(subplots[0])
plt.imshow(img, zorder=0, extent=[0.0, 1.0, 0.0, 1.0])
for i in range(3):
im = nx.draw_networkx_nodes(G,
pos,
nodelist=nodelists[i],
node_color=node_colors[i],
node_shape=shapes[i],
node_size=node_sizes[i],
cmap=plt.cm.get_cmap('RdYlBu_r'),
vmin=0.0,
vmax=1.0)
#nx.draw_networkx_labels(G,pos,labels=node_labels,font_size=15)
plt.axis('off')
nx.draw_networkx_edges(G, pos)
cmap = plt.cm.get_cmap('RdYlBu_r')
plt.subplot(subplots[1])
#bus_colors[bus]
for bus in sorted(bus_colors):
#colorVal = plt.cm.get_cmap('RdYlBu_r').to_rgba(res[bus])
plt.plot(time,
frequencies[bus],
color=cmap(bus_colors[bus]),
alpha=0.7)
plt.xlim([0.0, 30.0])
plt.ylim([59.62, 60.38])
plt.xlabel('Time [s]')
if a:
plt.ylabel('Frequency [Hz]')
plt.xticks([0, 10, 20, 30])
plt.yticks([59.7, 60, 60.3])
return im
'''
write a sequence of argv[1] normally distributed random numbers with mean argv[2] and std.dev argv[3] into argv[4] (ASCII text file)
Example:
python create_init_distr.py 20 -16.44 0.3 fens.txt
'''
from math import *
import random
import sys #for getting command line args
noe = int(sys.argv[1]) #number of ensemble members
mu = float(sys.argv[2]) #mean of the normal distribution
sig = float(sys.argv[3]) #standard deviation of the normal distribution
f = open(sys.argv[4],
'w') #open the desired text file to write output in there
for i in range(noe):
#r = random.gauss(log10(4e-17), log10(8e-17/4e-17)) #-16.4+-0.3 seems reasonable, 4e-17 is mu, 8e-17 is mu+1sigma
r = random.gauss(mu, sig)
f.write(str(r) + '\n')
f.close()
# DART $Id: create_init_distr.py 11001 2017-02-03 23:08:55Z [email protected] $
# from Alexey Morozov
#
# <next few lines under version control, do not edit>
# $URL: https://svn-dares-dart.cgd.ucar.edu/DART/branches/rma_trunk/models/gitm/python/create_init_distr.py $
# $Revision: 11001 $
# $Date: 2017-02-03 16:08:55 -0700 (Fri, 03 Feb 2017) $
eta = 5.0 * (10**(-2))
tau = 1.0 * (10**(2))
dt = 1.0
x_0 = 1.0
sigma = 10.0
constant = 1.0 / math.sqrt(2 * math.pi * (sigma**2))
for experiment in range(
NUM_EXPTS
): #simulate the paradigm using many different initializations of w_0
mu = [(20.0 * j) + 10.0 for j in range(MU_RANGE)]
y = []
y2 = []
# generate weights from a gaussian with mu = 3.0 and sigma = 1.0. Constrain w_i >= 0.
w_0 = [random.gauss(3.0, 1.0) for i in range(NUM_NEURONS)
] # at each of the 20 simulations, this is drawn
tmp_w0 = copy.deepcopy(
w_0) # reassignment of list would create shallow copies!!
for j in range(MU_RANGE):
w_0 = copy.deepcopy(tmp_w0) # use the same weights for all inputs
# print "init w_0: ",w_0
f = open("weights_for_mu%d_expt%d_t%d" % (j, experiment, TIME_LIMIT),
'wt')
#f_theta = open("theta_for_mu%d_expt%d_t%d"%(j , experiment,TIME_LIMIT),'wt')
#f_y = open("response_for_mu%d_expt%d_t%d"%(j , experiment,TIME_LIMIT),'wt')
#f_F = open("objective_for_mu%d_expt%d_t%d"%(j , experiment,TIME_LIMIT),'wt')
theta_0 = [2.5 for i in range(MU_RANGE)]
# print "init theta_0: ",theta_0
while True:
# Round the position to the nearest tenth of a meter. This keeps the sprites from jumping around while
# drawing due to floating point round-off to the nearest pixel.
site_pos = (round(
random.uniform(*DELIVERY_SITE_X_BOUNDS) % WORLD_LENGTH, 1),
round(
random.uniform(*DELIVERY_SITE_Y_BOUNDS) %
WORLD_WIDTH, 1))
if min((s.distance_to(site_pos) for s in delivery_sites),
default=MIN_DELIVERY_DISTANCE) >= MIN_DELIVERY_DISTANCE:
delivery_sites.append(DeliverySite(site_pos))
break
# Randomly generate trees that aren't too close to delivery sites.
trees = []
tree_density = random.gauss(TYPICAL_NUM_TREES, MAX_NUM_TREES / 3)
'''
num_trees = round(min(MAX_NUM_TREES, tree_density) if tree_density >= TYPICAL_NUM_TREES
else random.triangular(0, TYPICAL_NUM_TREES, TYPICAL_NUM_TREES))
'''
num_trees = 99
for _ in range(num_trees):
while True:
# Round the position to the nearest tenth of a meter. This keeps the sprites from jumping around while
# drawing due to floating point round-off to the nearest pixel.
tree_pos = (round(random.uniform(*TREE_X_BOUNDS),
1), round(random.uniform(0, WORLD_WIDTH), 1))
if min((s.distance_to(tree_pos) for s in delivery_sites),
default=MIN_TREE_DISTANCE) >= MIN_TREE_DISTANCE:
trees.append(Tree(tree_pos))
break
for t in range(0, total_steps):
# Write positions to file
with open('positions_hard_sphere.xyz', 'a') as f:
f.write(str(len(x)) + '\n')
f.write('\n')
for i in range(len(x)):
# xyz file is a file format to store 3D position
# the general format is:
# PARTICLE_TYPE X Y Z
# here we just call our hard spheres H
f.write('H' + '\t' + str(x[i]) + '\t' + str(y[i]) + '\t' +
str(z[i]) + '\n')
for i in range(0, particle_number):
# Trial Move
trial_x = x[i] + random.gauss(0, 1)
trial_y = y[i] + random.gauss(0, 1)
trial_z = z[i] + random.gauss(0, 1)
# Check boundaries
# We always move particles a small step, so don't worry if trial_x >> box_size
if trial_x <= 0:
trial_x += box_size
elif trial_x >= box_size:
trial_x -= box_size
if trial_y <= 0:
trial_y += box_size
elif trial_y >= box_size:
trial_y -= box_size
def raytrace_2d(nrays, sigma0, vel, nscr):
# seed random number generator here (a second one below!!!@#@)
np.random.seed(380340)
rand.seed(32422005)
# The screen strength weighting scheme is as follows (screen j):
# sigma0 = passed in: sets the scale of all the deflections
# Sr[j] = strength of the randdom component of the ray
# Sd[j] = strength of the directed component of the ray
# A[j] = axial ratio sigmax/sigmay ; y gets divided by this value
# psi[j] = position angle (rel. to x-axis) of the directed component
# creating variables. Path is x or y location at each screen.
# thetax and thetay are the angular positions at each screen.
# omega and tau are the delay and fringe frequency corroloaries
nscreen = nscr
pathx = np.zeros((nrays, nscreen+1)) # x position. nscreen indices.
pathy = np.zeros((nrays, nscreen+1)) # y position with nscreen indices.
thetax = np.zeros((nrays, nscreen+1)) # one deflection angle at each screen plus the initial one.
thetay = np.zeros((nrays, nscreen+1))
tau = np.zeros(nrays) # array that holds delays
omega = np.zeros(nrays) # array of omega values for each ray.
Sd = np.zeros(nrays) # strength (in units of sigma0) of directed component
psi = np.zeros(nrays) # position angle (reltative to x-axis) of directed component
AR = np.ones(nrays) # axial ratio of ellipse sigmay = sigmax / AR
Sr = np.ones(nrays)
# amplitudes
amp = np.zeros(nrays)
dz = 3.1e19/nscreen # distance between screens (1kpc is 3.1e19 meters)
# GENERATE EACH RAY HERE:
for i in range(nrays):
pathx[i,0] = 0
pathy[i,0] = 0
for j in range(nscreen+1):
theta1 = 0
theta2 = 0
# this is the general ray creation mechanism.
gx = rand.gauss(0,1) # x amplitude of directed component
gy = rand.gauss(0,1) # y amplitude of directed component
gr = rand.gauss(0,1) # amplitude of the random component
psi_rand = 2.*np.pi*rand.random() # uniform [0, 2 pi)
theta1 = sigma0*(Sd[j]*(gx*np.cos(psi[j]) - gy*np.sin(psi[j])/AR[j]) + Sr[j]*gr*np.cos(psi_rand))
# theta2 = sigma0*(Sd[j]*(gx*np.sin(psi[j]) + gy*np.cos(psi[j])/AR[j]) + Sr[j]*gr*np.sin(psi_rand))
# Calculate the amplitude of this ray
# may need tweaking - Dan (3/23/18)
amp[i] += (gx**2 + gy**2)
# adjust theta based on what our deflection did to photons.
thetax[i,j] = thetax[i,j-1] + theta1
thetay[i,j] = thetay[i,j-1] + theta2
# tracks the path the ray takes.
pathx[i,j] = ((thetax[i,j])*dz) + pathx[i,j-1]
pathy[i,j] = ((thetay[i,j])*dz) + pathy[i,j-1]
# take the sigma values and subtract avg, find probability
amp[i] = amp[i] - (nscreen-1)
amp[i] = np.exp(-amp[i])
# converge on the observer more neatly by subtracting a small amount from
# each step.
for ray in range(nrays):
dispx = (pathx[ray,nscreen])/(nscreen)
dispy = (pathy[ray,nscreen])/(nscreen)
for scr in range(1,nscreen+1):
pathx[ray,scr] = pathx[ray,scr] - (dispx*(scr))
pathy[ray,scr] = pathy[ray,scr] - (dispy*(scr))
# calculate the omega values assuming the pulsar is moving in only x or
# y direction and not a combination of the two.
# the total weighting sum, divides at end.
sum_weights = 0
sj = 0.0
wj = 0.0
for i in range(1,nscreen):
# the screen fractional distance
sj = float(i)/float(nscreen)
# the screen weighting
wj = sj/(1-sj)
# adding each weighting to the total
sum_weights += wj
# getting omega values
for ray in range(nrays):
for i in range(nscreen):
# the screen fractional distance
sj = float(i)/float(nscreen)
# the screen weighting
wj = sj/(1-sj)
# update theta values for the bent ray
thetax[ray,i] = (pathx[ray,i]-pathx[ray,i-1])/dz
thetay[ray,i] = (pathy[ray,i]-pathy[ray,i-1])/dz
# add the screen plus the weighting
omega[ray] += (thetax[ray,i]*wj)
# gets the tau delays relative to to straight-line path. (small
# angle approximation used here.
xdelay = ((thetax[ray,i]**2)*dz)/(2*(3e8)) #seconds
ydelay = ((thetay[ray,i]**2)*dz)/(2*(3e8)) #seconds
tau[ray] += np.sqrt(xdelay**2+ydelay**2)
# print thetax[ray,nscreen]
# calculate the final omega by getting right units/undo weighting
omega[ray] = 2*np.pi*omega[ray]*vel/(sum_weights*0.37) #divide by wavelength of .37m
# random phase approximation for a given ray.
# phi = 2.0 * np.pi * np.random.rand(nrays) # random phase
# set the omega and tau values to zero and make ray 0 the source point.
amp[0] = 1e-2
omega[0] = 0
tau[0] = 0
# FIND ALL INTERFERENCE TERMS HERE
sec = [ (0,0) for i in range(nrays*nrays) ]
sec_amp = np.zeros(nrays*nrays)
idx = 0
for ray1 in range(nrays):
for ray2 in range(nrays):
if (ray1 != ray2):
# difference term
sec[idx] = ((omega[ray2]-omega[ray1]),(tau[ray2]-tau[ray1]))
elif (ray1 == ray2):
# self term
sec[idx] = (0,0)
#saving the amplitude of the combined rays for every interference.
sec_amp[idx] = amp[ray1]*amp[ray2]
idx += 1
# if you wanted to, this is where you would create a dynamic.
######### dyn = makeDyn(nx,ny,nscreen,phi,omega,tau, nrays)
return pathx, pathy, thetax, thetay, sec, tau, omega, sec_amp
#!/usr/bin/python
import random
#########################################################################
# Generate data like [ x, y, z] [ val = (c1*x + c2*y + c3*z + noise) ] #
# where x,y,z are random numbers and c1, c2, c3 are coefficients(known) #
#########################################################################
coefficients = [2, 4, 7]
minRandom = -50
maxRandom = 50
# random.gauss(mean, sigma)
# first param is mean,
# second param is standard deviation
noise = random.gauss(0, 10)
inputs = []
output = 0
for index in range(len(coefficients)):
randFloat = random.uniform(minRandom, maxRandom)
inputs.append(float(format(randFloat, '.3f')))
output += inputs[index] * coefficients[index]
output += float(format(noise, '.3f'))
print inputs, "[", output, "]"
def rand(x):
return max(-2 * x, min(2 * x, gauss(0, 1) * x))
def noise():
'''a noise vector'''
from random import gauss
v = Vector3(gauss(0, 1), gauss(0, 1), gauss(0, 1))
v.normalize()
return v * opts.noise
import torch
from torchvision.transforms import ToTensor
import numpy as np
import random
# Building random datasets of 100 elements in each class
# Building 1st dataset
n = 100
values1 = []
frequencies1 = {}
while len(values1) < n:
value = random.gauss(5, 4)
if 0 < value < 10:
frequencies1[int(value)] = frequencies1.get(int(value), 0) + 1
values1.append(value)
values1 = np.array(values1)
label1 = np.zeros(100).astype(int)
class1 = np.array([values1, label1]).T
# Building 2nd dataset
values2 = []
frequencies2 = {}
while len(values2) < n:
value = random.gauss(15, 4)
if 8 < value < 18:
frequencies2[int(value)] = frequencies2.get(int(value), 0) + 1
values2.append(value)
values2 = np.array(values2)
label2 = np.ones(100).astype(int)
def random_point(self):
c = self.center
ll, ul = self.limits
x, y, z = (gauss(0, 1), gauss(0, 1), gauss(0, 1))
r = (uniform(ll[0]**3, ul[0]**3)**(1 / 3) / sqrt(x**2 + y**2 + z**2))
return [r * x + c[0], r * y + c[1], r * z + c[2]]
