def compute_internal_angles(self, theta_0, theta_1):
"""
Return the internal angles of the robot leg
from the current motor angles
"""
l0=l_base;
l3=math.sqrt(l1**2 + l0**2-2*l1*l0*math.cos(theta_1));
alpha2=math.acos((l0**2+l3**2-l1**2)/(2*l0*l3));
alpha3=3.14-theta_0-alpha2;
l4=math.sqrt(l1**2+l3**2-2*l1*l3*math.cos(alpha3));
alpha4=math.acos((l4**2+l1**2-l3**2)/(2*l1*l4));
alpha5=math.acos((l4**2)/(2*l4*l2));
alpha_0=3.14-alpha4-alpha5+theta_0;
l5=math.sqrt(l1**2+l0**2-2*l1*l0*math.cos(3.14-theta_0));
alpha6=math.acos((l0**2+l5**2-l1**2)/(2*l0*l5));
alpha7=theta_1-alpha6;
l6=math.squrt(l1**2+l5**2-2*l1*l5*math.cos(alpha7));
alpha8=math.acos((l1**2+l6**2-l5**2)/(2*l6*l2));
alpha9=math.acos((l6**2+l2**2-l2**2)/(2*l6*l2));
alpha_1=alpha8+alpha9-3.14+theta_1;
return (alpha_0, alpha_1)
def diff_photom(targetflux, targetfluxerr, compflux, compfluxerr):
# Do the differential photometry
ydfluxval = (targetflux/compflux)
ydfluxerrval = ydflux*math.squrt( ((targetfluxerr/targetflux)**2.0) + \
((compfluxerr/compflux)**2.0) )
return ydfluxval, ydfluxerrval
def intersectionParameter(self, ray):
co = self.center - ray.origin
v = co.dot
discriminant = v * v - co.dot(co) + self.radius * self.radius
if discriminant < 0:
return None
else:
return v - math.squrt(discriminant)
def create_dots(dots, n):
#print("n", n)
'''
creates dots on the screen
dots: a list to add dots to
n: the amount of dots to show
'''
for i in range(n):
while True:
stop = True
x = random.randrange(0, W)
y = random.randrange(0, H)
for player in players:
p = players[player]
dis = math.squrt((x - p["x"])**2 + (y - p["y"])**2)
if dis <= START_RADIUS + p["score"]:
stop = False
if stop:
break
dots.append((x, y, random.choice(colors)))
>>>
>>> x=4
>>> X==5
Traceback (most recent call last):
File "<pyshell#11>", line 1, in <module>
X==5
NameError: name 'X' is not defined
>>> x==5
False
>>> x==4
True
>>> x!=4
False
>>> import math
>>> math.squrt(10)
Traceback (most recent call last):
File "<pyshell#16>", line 1, in <module>
math.squrt(10)
AttributeError: module 'math' has no attribute 'squrt'
>>> math.sqrt(10)
3.1622776601683795
>>> from math import sqrt
>>> sqrt(10)
3.1622776601683795
>>> from random import choices
>>> choices(range(1,9),k=3)
[2, 3, 2]
>>>
>>>
>>> from random import choices
print 4.0 /10.0 +3.5* 2
print 10 % 4 + 6 / 2
print sqrt(4.5-5.0) + 7 * 3
import math
print math.squrt(4.5-5.0)+ 7 * 3
print abs(a-20 / 3) ** 3 ("está mal porque a no está definido")
import math; var them: math.squrt(25);
def calculateDifferences(desiredOdometry, currentOdometry):
xDiff = desiredOdometry.pose.pose.position.x - currentOdometry.pose.pose.position.x
yDiff = desiredOdometry.pose.pose.position.y - currentOdometry.pose.pose.position.y
yawDiff = math.asin(yDiff / xDiff)
distanceDiff = math.squrt(xDiff**2 + yDiff**2)
return [distanceDiff, yawDiff]
>>> def distance(p1, p2):
if len(p1)!=len(p2): sys.exit("Vectors have different length")
sum=0
for i in range (len(p1)):
sum+=(p1[i]-p2[i])**2
return math.squrt(sum)