def testInv(self):
matA = Matrix([[1, 2, 3], [0, 1, 2], [1, 2, 4]])
matAinv = matA.inv()
c = matA.prod(matAinv).getRows([1, 2, 3])
self.assertTrue(
matA.prod(matAinv).getRows([1, 2, 3]) == [[1, 0, 0], [0, 1, 0],
[0, 0, 1]])
def testGetMatrixFromColumnFail(self):
with self.assertRaises(Exception):
matA = Matrix([[1, 2, 3], [4, 5, 6], [7, 8, 0]])
matA.getMatrixFromColumn(initialX=1,
initialY=1,
height=-4,
width=3)
def Train(self, inputs, targets):
# Calc errors
self.FeedForward(inputs)
targets = Matrix.FromArray(targets)
output_errors = Matrix.Subtract(targets, self.outputs)
weights_ho_T = Matrix.Transpose(self.weights_ho)
hidden_errors = Matrix.Multiply(weights_ho_T, output_errors)
# Calc gradients
gradient_o = Matrix.StaticMap(self.outputs, dsigmoid)
gradient_o.ElementMultiply(output_errors)
gradient_o.ElementMultiply(self.lr)
hidden_T = Matrix.Transpose(self.hidden)
delta_weights_ho = Matrix.Multiply(gradient_o, hidden_T)
gradient_h = Matrix.StaticMap(self.hidden, dsigmoid)
gradient_h.ElementMultiply(hidden_errors)
gradient_h.ElementMultiply(self.lr)
input_T = Matrix.Transpose(self.inputs)
delta_weights_ih = Matrix.Multiply(gradient_h, input_T)
# Adjusting weights and biases
# self.weights_ih.Display()
self.weights_ih.Add(delta_weights_ih)
self.bias_h.Add(gradient_h)
# delta_weights_ho.Display()
self.weights_ho.Add(delta_weights_ho)
self.bias_o.Add(gradient_o)
def test_jacobi_seidel_3x3():
#Example from https://www.maa.org/press/periodicals/loci/joma/iterative-methods-for-solving-iaxi-ibi-gauss-seidel-method
# solution x=(1, 2, -1).T
A = Matrix([[4, -1, -1], [-2, 6, 1], [-1, 1, 7]])
b = Matrix([[3], [9], [-6]])
solution = solve_jacobi_seidel(A, b)
assert solution.is_close(Matrix([[1], [2], [-1]]))
def testSubtraction(self):
testMatrix1 = Matrix()
testMatrix2 = Matrix()
testMatrix3 = testMatrix1 - testMatrix2
for row in range(4):
for col in range(4):
self.assertTrue(testMatrix3.getValue(row, col) == 0)
testMatrix1.setValue(0, 3, 2.5)
testMatrix1.setValue(2, 2, 4.2)
testMatrix1.setValue(3, 0, -301)
testMatrix2.setValue(0, 3, -1)
testMatrix2.setValue(0, 0, -2)
testMatrix2.setValue(3, 0, 2)
testMatrix4 = testMatrix1 - testMatrix2
self.assertTrue(testMatrix4.getValue(0, 3) == 3.5)
self.assertTrue(testMatrix4.getValue(2, 2) == 4.2)
self.assertTrue(testMatrix4.getValue(3, 0) == -303)
self.assertTrue(testMatrix4.getValue(0, 0) == 2.0)
self.assertTrue(testMatrix4.getValue(2, 1) == 0)
class MainWindow(Frame):
def __init__(self, master, rows, columns):
Frame.__init__(self, master)
self.matrix = Matrix(master, rows, columns)
self.matrix.grid(row=0, column=0)
self.game = Game(rows, columns)
self.game.set_matrix(self.matrix)
self.start_button = Button(master, text="Start")
self.start_button.grid(row=1, column=0)
self.start_button["command"] = self.game.start_clicked
self.quit_button = Button(master, text="Quit")
self.quit_button.grid(row=1, column=1)
self.quit_button["command"] = self.quit
self.master = master
master.title("Life")
# override the "X" close button
self.master.protocol("WM_DELETE_WINDOW", self.quit)
def quit(self):
print "quitting"
self.game.quit_clicked()
self.master.quit()
class Network: def __init__(self, inp_length, hid_length, out_length): self.inp_size = inp_length self.hid_size = hid_length self.out_size = out_length self.inputs = Matrix(1, inp_length) self.hidden = Matrix(1, hid_length) self.outputs = Matrix(1, out_length) self.weights_ih = Matrix (inp_length, hid_length) self.weights_ho = Matrix (hid_length, out_length) randomise(self.weights_ih) randomise(self.weights_ho) def feedforward(self): self.hidden = self.inputs.multiply(self.weights_ih) self.hidden = sigmoid(self.hidden) self.outputs = softmax(self.hidden.multiply(self.weights_ho)) def print_network(self): print(self.inputs.matrix) print() print() print(self.weights_ih.matrix) print() print() print(self.hidden.matrix) print() print() print(self.weights_ho.matrix) print() print() print(self.outputs.matrix)
def __init__(self, *domains):
self.domainList = list(domains)
self.size = sum([len(i.nodes) * i.dofs for i in self.domainList])
self.dofs = self.size
self.totalConstraints = sum(
[len(i.constraintList) for i in self.domainList])
self.physics = {'gravity': 0}
self.stiffnessMatrix = Matrix(0)
self.stiffnessMatrixInverse = Matrix(0)
self.displacementVector = Vector(0)
self.loadVector = Vector(0)
self.solver = None
self.inverseFlag = True
self.couplingList = []
self.couplingListRHS = []
self.dampingList = {}
self.ivDisplacementList = {}
self.__assembleConstraints__()
def findLU(n, matrixA):
# Find the L U for the decomposition
L = Matrix(dims=(n, n), fill=0)
U = Matrix(dims=(n, n), fill=0)
# Fill the value of L
for i in range(n):
L[i, i] = 1
# Calculate for the lower, upper matrix, i for row index, j for col index
for i in range(n):
for j in range(n):
tmp = matrixA[i, j]
for k in range(n):
if j != k:
tmp = tmp - L[i, k] * U[k, j]
# lower matrix
if i > j:
if U[j, j] != 0:
L[i, j] = tmp / U[j, j]
else:
L[i, j] = tmp
# Upper matrix
else:
if L[j, j] != 0:
U[i, j] = tmp / L[j, j]
else:
U[i, j] = tmp
return L, U
def lanczos(A):
k = len(A)
b = Vector.rand(n=k)
q = [Vector.new(n=k) for i in range(2)]
q[1] = b / abs(b)
b = [0]
a = [0]
for i in range(1, int(2 * sqrt(k))):
z = Vector((A * q[i]).transpose()[0])
a.append(float(Matrix([q[i]]) * z))
z = z - q[i] * a[i] - q[i-1] * b[i-1]
for j in q:
z -= j * (z * j)
for j in q:
z -= j * (z * j)
b.append(abs(z))
if b[i] == 0:
break
q.append(z / b[i])
Q = Matrix(q[-k-1:-1]).transpose()
T = Q.transpose() * A * Q
return (Q, T, )
def open_last_sts(data_path, head):
#here data_path should be the Lucile folder
mtrx_path = data_path
head = head + "_0001.mtrx"
my_matrix = Matrix(mtrx_path, head)
#here mtrx_path should be the folder with the head file
keys = list(my_matrix.IDs.keys())
last_ID = keys[-1]
while last_ID:
if not last_ID in my_matrix.IDs.keys():
last_ID -= 1
continue
if my_matrix.IDs[last_ID]['hasDI']:
last_num = my_matrix.IDs[last_ID]['nums'][-1]
while last_num:
try:
V, didv = my_matrix.getDIDV(last_ID, last_num)
break
except TypeError:
last_num -= 1
#plt.ion()
#plt.plot(V, didv)
#plt.pause(0.1)
#plt.show()
#plt.pause(3)
#plt.close()
#plt.ioff()
return V, didv
break
else:
last_ID -= 1
return None, None
def main():
m = Matrix(5, 2)
b = Matrix(5, 2)
print("show matrix :", m, sep='\n')
m += 10
print("after adding 10:", m, sep='\n')
b = b + 20
m = m + b
print("after adding matrix b:", m, sep='\n')
m.randomize()
print("after randomize :", m, sep='\n')
m *= 3
print("after multiply by 3 :", m, sep='\n')
d = Matrix(2, 3)
g = Matrix(3, 3)
g.matrix = [
[3, 5, 8],
[2, 6, 6],
[7, 9, 4]
]
d += 5
h = d * g
print("after multiply d :\n{}\nby g :\n{}\nres :\n{}".format(d, g, h))
h = g.transpose()
print("after transpose :\n{}".format(h))
def test_jacobi_example_4x4():
A = Matrix([[10, -1, 2, 0], [-1, 11, -1, 3], [2, -1, 10, -1],
[0, 3, -1, 8]])
b = Matrix([[6], [25], [-11], [15]])
solution = solve_jacobi(A, b)
assert solution == Matrix([[1], [2], [-1], [1]])
def parseFile(self):
matrices = []
for i, line in enumerate(self):
line = line.rstrip()
if i == 0:
problemTitle = line
elif i == 1:
problemSize = line
elif i == 2:
correctAnswer = line
else:
if not line.startswith("\t"):
#this is a matrix
newMatrix = Matrix(line)
matrices.append(newMatrix)
elif not line.startswith("\t\t"):
#this is an object
line = line.strip()
newObject = Object(line)
newMatrix.objects[line] = newObject
else:
#this is an attribute (key-value pair)
line = line.strip()
keyValue = line.split(":")
newObject.attributes.update({keyValue[0]: keyValue[1]})
problem = Problem(problemTitle, problemSize, correctAnswer, matrices)
return problem
def makeGraphFromEdges1(self, edges):
"""
Constructs a directional graph from edges (a list of tuple).
Each tuple contains 2 vertices.
For example, P -> Q is written as ('P', 'Q').
@param edges: edges
@type edges: list of 2-element tuple
@status: Tested method
@since: version 0.1
"""
if type(edges) != list: raise GraphParameterError('Edges must be a \
list of tuples')
from Set import Set
from Matrix import Matrix
vertices = list(Set([x[0] for x in edges] + [x[1] for x in edges]))
adj = Matrix(len(vertices))
adj = adj.m
for e in edges:
row = vertices.index(e[0])
col = vertices.index(e[1])
# fill values into lower triangular matrix
adj[row][col] = adj[row][col] + 1
adj.insert(0, vertices)
self.makeGraphFromAdjacency(adj)
def testWrongMatrixSumOrders(self):
with self.assertRaises(Exception):
matA = Matrix([[1, 1, 1, 1, 1], [2, 2, 2, 5], [3, 3, 3, 5, 3],
[3, 3, 3, 5, 3], [5, 5, 5, 5, 5]])
matB = Matrix([[1, 1, 1, 1, 1], [2, 2, 2, 5, 1], [3, 3, 3, 5, 3],
[3, 3, 3, 5, 3], [5, 5, 5, 5, 5]])
matA.sum(matB)
def Jacobi(self, iteration=5):
"""
iterate throught the jacobi method to solve the system
"""
Id = Identity(len(self.A.matrix))
#exctract the Diagonal from the matrix
Diag = [[self.A[i][j] \
if i == j else 0 \
for j in range(len(self.A.matrix))] \
for i in range(len(self.A.matrix))]
Diag = Matrix(Diag)
inv_diag = Diag.reverse_diag()
X_k = Matrix([[0]\
for i in range(len(self.A.matrix)) ])
# Id check
# inv_diag check
# A check
# Y check
for i in range(iteration):
B = (Id - (inv_diag * self.A))
X_k = (B * X_k) + (inv_diag * self.Y)
# x = Bx + (ID - B) A^-1 * Y
# B = Id - D^-1A
# pour avoir (Id - B) A^-1 * Y
# sans le A^-1
# soit x = Bx + D^-1 * Y
# (I - D^-1 * A) * X_k + D^-1 * Y
#erreur potentielle de calcul, ou systeme insolvable.
return (X_k)
def __init__(self, parent=None):
super(GLWidget, self).__init__(parent)
self.setFocusPolicy(Qt.StrongFocus)
self.object = 0
self.xRot = 0
self.yRot = 0
self.zRot = 0
self.translateX = 0.0
self.translateY = 0.0
self.zoom = -15.0
self.ctlPressed = False
self.matrix = Matrix(5, 5, 5)
self.lastPos = QPoint()
self.selectedX = 0
self.selectedY = 0
self.selectedZ = 4
self.trolltechGreen = QColor.fromCmykF(0.40, 0.0, 1.0, 0.0)
self.trolltechPurple = QColor.fromCmykF(0.39, 0.39, 0.0, 0.0)
self.Black = QColor.fromCmykF(0.0, 0.0, 0.0, 0.0, 0.0)
self.selectedColor = self.trolltechGreen
def makeGraphFromEdges2(self, edges):
"""
Constructs an un-directional graph from edges (a list of tuple).
Each tuple contains 2 vertices.
An un-directional graph is implemented as a directional graph where
each edges runs both directions.
@param edges: list of edges
@type edges: list of 2-element tuples"""
if type(edges) != list:
raise GraphParameterError('Edges must be a \
list of tuples')
from Set import Set
from Matrix import Matrix
vertices = list(Set([x[0] for x in edges] + [x[1] for x in edges]))
adj = Matrix(len(vertices))
adj = adj.m
for e in edges:
row = vertices.index(e[0])
col = vertices.index(e[1])
# fill values into lower triangular matrix
adj[row][col] = adj[row][col] + 1
# repeat on the upper triangular matrix for undirectional graph
adj[col][row] = adj[col][row] + 1
adj.insert(0, vertices)
self.makeGraphFromAdjacency(adj)
def quad(self, g, quad):
# Enable alpha blending/transparency
self.vbuffer.sync()
gl.glUseProgram(self.program.id)
gl.glEnable(gl.GL_BLEND)
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
# Bind texture
gl.glUniform1i(self.program.tex, 0)
gl.glBindTexture(gl.GL_TEXTURE_2D, quad.texture.id)
# Set up geometry transforms
worldMatrix = Matrix.scale(quad.width, quad.height, 1)
worldMatrix = Matrix.translate(quad.x, quad.y, 0) * worldMatrix
worldViewProjectionMatrix = g.viewProjectionMatrix * worldMatrix
#worldViewProjectionMatrix = g.viewProjectionMatrix
gl.glUniformMatrix4fv(self.program.worldViewProjectionMatrix, 1, 0,
worldViewProjectionMatrix.data)
# Draw geometry
gl.glBindVertexArray(self.vao)
gl.glDrawArrays(gl.GL_TRIANGLE_STRIP, 0, 4)
gl.glBindVertexArray(0)
def makeGraphFromEdges1(self, edges):
"""
Constructs a directional graph from edges (a list of tuple).
Each tuple contains 2 vertices.
For example, P -> Q is written as ('P', 'Q').
@param edges: edges
@type edges: list of 2-element tuple
@status: Tested method
@since: version 0.1
"""
if type(edges) != list:
raise GraphParameterError('Edges must be a \
list of tuples')
from Set import Set
from Matrix import Matrix
vertices = list(Set([x[0] for x in edges] + [x[1] for x in edges]))
adj = Matrix(len(vertices))
adj = adj.m
for e in edges:
row = vertices.index(e[0])
col = vertices.index(e[1])
# fill values into lower triangular matrix
adj[row][col] = adj[row][col] + 1
adj.insert(0, vertices)
self.makeGraphFromAdjacency(adj)
def makeGraphFromEdges2(self, edges):
"""
Constructs an un-directional graph from edges (a list of tuple).
Each tuple contains 2 vertices.
An un-directional graph is implemented as a directional graph where
each edges runs both directions.
@param edges: list of edges
@type edges: list of 2-element tuples"""
if type(edges) != list: raise GraphParameterError('Edges must be a \
list of tuples')
from Set import Set
from Matrix import Matrix
vertices = list(Set([x[0] for x in edges] + [x[1] for x in edges]))
adj = Matrix(len(vertices))
adj = adj.m
for e in edges:
row = vertices.index(e[0])
col = vertices.index(e[1])
# fill values into lower triangular matrix
adj[row][col] = adj[row][col] + 1
# repeat on the upper triangular matrix for undirectional graph
adj[col][row] = adj[col][row] + 1
adj.insert(0, vertices)
self.makeGraphFromAdjacency(adj)
def get_matrix(self):
rows, cols = self.get_size()
matrix = Matrix(rows, cols)
for child in self.get_children():
box = self.find_box_child(child)
matrix.set(child, box.left, box.top, box.right, box.bottom)
return matrix
def test_slice(self):
A = Matrix([1, 2, 3, 4],
[5, 6, 7, 9],
[1, 2, 3, 4])
s = A.slice(0, 2)
self.assertEqual(s, Matrix(
[3, 4], [7, 9], [3, 4]))
def get_matrix(self):
rows, cols = self.get_size()
matrix = Matrix(rows, cols)
for child in self.get_children():
box = self.find_box_child(child)
matrix.set(child, box.left, box.top, box.right, box.bottom)
return matrix
def spline_cubic(data, value, is_natural=True, first_der=0, last_der=0):
"""
Using cubic plaine to calculate an interpolation of a point according to data points
:param data: the data points pairs of x,y
:param value: The value to calculate it's interpolation
:param is_natural: a boolean if the cubic splaine is natural or not
:param first_der: in case of none natural cubic splaine it's the first derived of the function
:param last_der: in case of none natural cubic splaine it's the last derived of the function
:return: A vector with the results of each function corresponding to each pair of points
"""
if len(data) < 2:
return 'failed'
def x(i):
return data[i][0]
def y(i):
return data[i][1]
def h(i):
return x(i + 1) - x(i)
n = len(data)
A = np.identity(n)
b = list(((y(i + 1) - y(i)) / (h(i)) - (y(i) - y(i - 1)) / (h(i - 1))
for i in range(1, n - 1)))
if not is_natural:
b.insert(0, ((y(1) - y(0)) / h(0)) - first_der)
b.append((last_der - ((y(n - 1) - y(n - 2)) / h(n - 2))))
A[0][0] = h(0) / 3
A[0][1] = h(0) / 6
A[n - 1][n - 2] = h(n - 2) / 6
A[n - 1][n - 1] = h(n - 2) / 3
else: # handles natural splaine.
b.insert(0, 0)
b.append(0)
for i in range(1, n - 1):
A[i][i - 1] = h(i - 1) / 6
A[i][i] = ((h(i - 1) + h(i)) / 3)
A[i][i + 1] = h(i) / 6
Mat = Matrix(A, b)
print("The matrix and the solution vector of the cubic spline:\n", A, b)
print("\ncalculating the matrix results with gauss seidel.....")
Mi = Mat.gauss_seidel(list(0.0 for _ in range(len(b))))
print("Mi - vector: ", Mi)
print("\n")
results = [0.0 for _ in range(n - 1)]
for i in range(n - 1):
print("S{0}(x)= ({1}(x-{2})/{3})-({4}(x-{5})/{3})+"
"({6}/6)[((x-{2})^3)/{3}) -{3}(x-{2}))] - "
"({7}/6)[((x-{5})^3)/{3}) - {3}(x-{5})]\n".format(
i, y(i + 1), x(i), h(i), y(i), x(i + 1), Mi[i + 1], Mi[i]))
results[i] = (y(i + 1) * (value - x(i)) / h(i)) - (y(i) * (value - x(i + 1)) / h(i)) + \
(Mi[i + 1] / 6) * ((((value - x(i)) ** 3) / h(i)) - h(i) * (value - x(i))) - \
(Mi[i] / 6) * ((((value - x(i + 1)) ** 3) / h(i)) - h(i) * (value - x(i + 1)))
print(results)
return results
def test_single():
"""
Test single element
:return:
"""
a = Matrix([[1]])
x = solve_gauss(a, Matrix())
assert x == []
def creating(q):
while True:
size = randint(2, 7)
a = Matrix(a=size, b=size, random=True)
b = Matrix(a=size, b=size, random=True)
print(f"Сгенерированы матрицы:\n{a}\n{b}\n--------------------------")
q.put([a, b])
sleep(8) # Эта функция выполняется намного быстрее умножения, поэтому ждём
def __init__(self, nRows, nCols):
self.rows = nRows
self.cols = nCols
self.matrix = Matrix(nRows, nCols)
# fill the sheet with zero numbercells
for row in range(self.rows):
for col in range(self.cols):
self.updateValue(row, col, "0")
def feedforword(self, inputs):
if len(inputs) == self.sizes[0]:
output = Matrix(1, len(inputs), [inputs]).transpose()
for i in range(len(self.sizes) - 1):
output = self.weights[i] * output + self.biases[i]
output = output.apply(sigmoid)
return output
raise Exception("Invalid input length")
def Matrix_Rotation(n, theta):
I = Matrix(n, n)
if (n == 2):
return Matrix([
[cos(theta), -sin(theta)],
[sin(theta), cos(theta)],
])
return I
def testGetMatrixFromColumnException(self):
with self.assertRaises(Exception):
matA = Matrix([[1, 1, 1, 1, 1], [2, 2, 2, 2, 2], [3, 3, 3, 3, 3],
[4, 4, 4, 4, 4], [5, 5, 5, 5, 5]])
matA.getMatrixFromColumn(initialX=2,
initialY=2,
height=3,
width=10)
def main():
matrix = Matrix(2, 4)
matrix.list_fill([[9, 9], [1, 10], [6, 5], [6, 2]])
collection = Collection()
collection.matrix_as_collection(matrix)
print(collection)
collected = Collection.compute_basis(collection)
print(collected)
def calculate_normal(self, triangle):
vertex_0, vertex_1, vertex_2 = triangle
edge_1 = Matrix.subtract(vertex_1, vertex_0)
edge_2 = Matrix.subtract(vertex_2, vertex_0)
normal = Matrix.cross_product(edge_1, edge_2)
normal = Matrix.normalize(normal)
return normal
def __init__(self,rows,cols):
self.rows = rows
self.cols = cols
self.matrix = Matrix(rows, cols)
# fill the sheet with zero numbercells
for row in range(self.rows):
for col in range(self.cols):
self.modifyValue(row, col, "0")
def __init__(self):
self.rows = 3
self.cols = 5
self.matrix = Matrix(3, 5)
# fill the sheet with zero numbercells
for row in range(self.rows):
for col in range(self.cols):
self.updateValue(row, col, "0")
def test_transpose_square():
"""
Check transpose of square 3x3 matrix
:return:
"""
A = Matrix([[1, 2, 3], [4, 5, 6], [7, 8, 9]])
A_transpose = Matrix([[1, 4, 7], [2, 5, 8], [3, 6, 9]])
assert A.T == A_transpose
def setCenterPosition(self, center: Vector) -> None:
if self._mesh_data:
m = Matrix()
m.setByTranslation(-center)
self._mesh_data = self._mesh_data.getTransformed(m).set(
center_position=center)
for child in self._children:
child.setCenterPosition(center)
def set_covariance(self):
for i in self.matrices:
a = i.subtract(self.mean)
a_transpose = Matrix(a.get_data())
a_transpose.transpose()
b = a_transpose.multiply(a)
self.covariance = self.covariance.add(b)
self.covariance.scaler(1 / len(self.matrices))
def __init__(self):
self.data = []
self.matrices = []
self.mean = Matrix([[0, 0]])
self.covariance = Matrix([[0, 0], [0, 0]])
self.setup()
self.set_mean()
self.set_covariance()
print(len(self.matrices))
def reset(self):
'''resets the whole sugarscape'''
self.agents = []
self.gov.tax_rate = self.tax_rate
Matrix.__init__(self,51,51)
self.agents = []
self.populate_sugarscape()
self.timestamp = 0
return True
def test_setrowcol(self):
A = Matrix([1, 2, 3, 4],
[5, 6, 7, 8])
A.set_row(0, [4, 3, 2, 1])
self.assertEqual(A, Matrix([4, 3, 2, 1],
[5, 6, 7, 8]))
A.set_col(2, [9, 8])
self.assertEqual(A, Matrix([4, 3, 9, 1],
[5, 6, 8, 8]))
def cg(A,b):
#guess x all 0s
x = Matrix(i=A.columns,j=1)
#set r and p
r = b.subtract(A.multiply(x))
p = b.subtract(A.multiply(x))
r_norm_inf = 0
for i in range(1,r.rows+1):
v = r.get(i,1)
if (v > r_norm_inf):
r_norm_inf = v
r_norm_2 = 0
r_norm_2 = math.sqrt(r.transpose().multiply(r).get(1,1))
iteration = 1
while( r_norm_2 > LIMITERROR):
p_t = p.transpose()
alpha = p_t.multiply(r).get(1,1) / p_t.multiply(A.multiply(p)).get(1,1)
# a_p for alpha*p
a_p = copy.deepcopy(p)
for i in range(1,a_p.rows+1):
for j in range(1,a_p.columns+1):
a_p.set(i,j,a_p.get(i,j)*alpha)
x = x.add(a_p)
r = b.subtract(A.multiply(x))
beta = -1 * (p_t.multiply(A.multiply(r)).get(1,1) / p_t.multiply(A.multiply(p)).get(1,1))
# b_p for beta*p
b_p = p #no need to copy (as we update cell by cell of p to b_p and we don't need it later)
for i in range(1,b_p.rows+1):
for j in range(1,b_p.columns+1):
b_p.set(i,j,p.get(i,j)*beta)
p = r.add(b_p)
# compute r norms and f.write
r_norm_inf = 0
for i in range(1,r.rows+1):
v = r.get(i,1)
if (v > r_norm_inf):
r_norm_inf = v
r_norm_2 = math.sqrt(r.transpose().multiply(r).get(1,1))
f.write(str(iteration)+","+str(r_norm_inf)+","+str(r_norm_2)+"\n")
iteration+=1
f.write(",,,"+str(iteration-1))
return x
def test_construction(self):
m1 = Matrix(2, 3)
self.assertEqual(m1.size(), [2, 3])
# Verify the matrix is filled with 0s
self.assertEqual(m1.data, [[0 for i in range(3)] for j in range(2)])
m2 = Matrix([0, 1, 2], [3, 4, 5], [6, 7, 8])
self.assertEqual(m2.size(), [3, 3])
# Verify the matrix has values 0-8
self.assertEqual(m2.data, [[(j * 3 + i) for i in range(3)] for j in range(3)])
def test_multplication(self):
# Test dot products
# Row vectors
v1 = Matrix([1, 2])
v2 = Matrix([5], [6])
self.assertEqual(v1 * v2, 17)
self.assertEqual(v1 * [5, 6], 17)
# Column vectors
v1 = Matrix([10], [7])
v2 = Matrix([5 ], [8])
self.assertEqual(v1 * v2.transposed(), Matrix([50, 80], [35, 56]))
# Test matrix scalar multiplication
m = Matrix([1, 4, 5, 6], [3, 8, 9, 2], [9, 12, 4, 13])
self.assertEqual((m * 4).data, [[(m[j][i] * 4) for i in range(m.cols)] for j in range(m.rows)])
# Test matrix multiplication
m1 = Matrix([2, 3], [4, 5], [6, 7])
m2 = Matrix([1, 2, 3], [4, 5, 6])
r = Matrix([14, 19, 24], [24, 33, 42], [34, 47, 60])
self.assertEqual(m1 * m2, r)
self.assertEqual(m1 * [[1, 2, 3], [4, 5, 6]], r)
# Test swapping rows of a matrix with a permutation matrix
m = Matrix([11, 9 , 24, 2],
[1 , 5 , 2 , 6],
[3 , 17, 18, 1],
[2 , 5 , 7 , 1])
p = Matrix([1, 0, 0, 0],
[0, 0, 1, 0],
[0, 0, 0, 1],
[0, 1, 0, 0])
self.assertEqual(p * m, Matrix(
[11, 9 , 24, 2],
[3 , 17, 18, 1],
[2 , 5 , 7 , 1],
[1 , 5 , 2 , 6]))
# Test swapping of cols of a matrix with the same permutation matrix
self.assertEqual(m * p, Matrix(
[11, 2, 9 , 24 ],
[1 , 6, 5 , 2 ],
[3 , 1, 17, 18 ],
[2 , 1, 5 , 7 ]))
# Multiplication of matrix with a matrix of 3 columns and list of 3 components
self.assertEqual(
Matrix([24 , 1, 8 ],
[6 , 0, 2 ],
[-12, 1, -3]) * Matrix([1], [9], [-2]),
Matrix([17], [2], [3]))
self.assertEqual(
Matrix([24 , 1, 8 ],
[6 , 0, 2 ],
[-12, 1, -3]) * [1, 9, -2],
Matrix([17], [2], [3]))
def add_padding(self, padding, matrix):
#validate inputs
if (not type(padding) is int or padding <= 0 or not type(matrix) is Matrix):
raise LedError("Invalid inputs. Padding must be a positive, non-zero integer")
output = Matrix(matrix.m, padding)
output = output.concatenate(matrix)
output = output.concatenate(matrix.m, padding)
return output
def convert_message_led(self):
checker = False
output = Matrix(1,1)
for char in self.message:
temp = self.char_map[char]
if (temp):
if (checker):
output = output.concatenate(temp)
else:
output.copy(temp)
checker = True
return output
def __init__(self, num_agents = 500, max_sugar=5, sugar_growth_rate=.5,
agent_vision=3, agent_metabolism=4, tax_rate=.5):
''' The sugarscape is a matrix of Location objects.'''
Matrix.__init__(self, 51, 51)
self.max_sugar = max_sugar
self.sugar_growth_rate = sugar_growth_rate
self.agent_vision = agent_vision
self.agent_metabolism = agent_metabolism
self.tax_rate = tax_rate
self.agents = []
self.total_wealth = 0
self.num_agents = num_agents
self.timestamp = 0
self.gov = Government(tax_rate=self.tax_rate, sugarscape=self)
self.populate_sugarscape()
def testCreation(self):
testMatrix = Matrix()
for row in range(4):
for col in range(4):
self.assertTrue(testMatrix.getValue(row, col) == 0)
testMatrix.setValue(0, 0, 1.893)
testMatrix.setValue(2, 1, -200.1)
testMatrix.setValue(3, 2, 4)
self.assertTrue(testMatrix.getValue(0, 0) == 1.893)
self.assertTrue(testMatrix.getValue(2, 1) == -200.1)
self.assertTrue(testMatrix.getValue(3, 2) == 4)
def QRalg(m):
from copy import deepcopy as copy
from math import cos, sin, atan, pi
def get_rotate_matrix(n, i, j, angle):
m = Matrix.new(n, n)
for k in range(n):
if k not in [i, j]:
m[k][k] = 1
s = sin(angle)
c = cos(angle)
m[i][j] = -s
m[j][i] = s
m[i][i] = c
m[j][j] = c
return m
m = copy(m)
n = len(m)
u = Matrix.new(n, n)
for i in range(n):
u[i][i] = 1
iter_n = 1
f = True
while f and iter_n < 1000:
q = 0
qi, qj = 0, 0
for i in range(n):
for j in range(n):
if i != j and abs(m[i][j]) > q:
q, qi, qj = abs(m[i][j]), i, j
angle = pi / 4
if abs(m[qi][qi] - m[qj][qj]) > 0.000001:
angle = atan(2 * m[qi][qj] / (m[qi][qi] - m[qj][qj])) / 2
rm = get_rotate_matrix(n, qi, qj, angle)
rmt = rm.transpose()
nm = rmt * m * rm
u = u * rm
#l.write('{}: '.format(iter_n))
#l.write(nm)
s = 0
for i in range(n):
for j in range(n):
if i != j:
s += nm[i][j] ** 2
f = abs(s) > (0.1 ** 5)
m = copy(nm)
iter_n += 1
values = Vector([m[i][i] for i in range(n)])
vectors = u.transpose()
for i in range(len(vectors)):
if abs(vectors[i][-1]) > 0.001:
vectors[i] *= 1/vectors[i][-1]
return (values, vectors, )
def getEquilibriumMatrix(self):
self.matrix = []
for node in self.nodes:
self.addXEquation(node)
self.addYEquation(node)
self.matrix = Matrix(self.matrix)
return self.matrix
def compute_led_screen (text, padding):
#validate inputs
if (not type(text) is str or not type(padding) is int or padding <= 0):
raise LedError("Only message strings are supported and padding must be a positive, non-zero integer")
#pad pixels left
output = Matrix(self.board_height, padding)
for char in text:
addition = self.char_map[char]
output = output.concatenate(addition)
#pad pixels right
output = output.concatenate(Matrix(self.board_height, padding))
return output
def test_swap(self):
m = Matrix([1, 2, 3], [4, 5, 6])
m.swap(0, 1)
self.assertEqual(m, Matrix([4, 5, 6], [1, 2, 3]))
m = Matrix([1, 2], [3, 4], [5, 6], [7, 8], [9, 10])
m.swap(0, 4)
m.swap(1, 3)
# Middle row shouldn't move
m.swap(2, 2)
self.assertEqual(m, Matrix([9, 10], [7, 8], [5, 6], [3, 4], [1, 2]))
def init(self):
# Initialize the renderer, set up the Window.
glfw.init()
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 3)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 3)
glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, gl.GL_TRUE)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
glfw.window_hint(glfw.DECORATED, gl.GL_TRUE)
glfw.window_hint(glfw.DECORATED, gl.GL_TRUE)
glfw.window_hint(glfw.RESIZABLE, gl.GL_FALSE)
width = Config.windowWidth
height = Config.windowHeight
self.aspect = width/height
# Initialize the window
self.window = glfw.create_window(width, height, "Magic", None, None)
glfw.make_context_current(self.window)
self.renderer = Renderer()
self.quad = []
self.text = []
# Set up camera
self.viewMatrix = Matrix.identity()
# Set up view transform. View is always 16 units high, and 16 * aspect units
# wide. The extra space outside of a 4:3 ratio is unused, to make sure that
# all the cards always fit in a 4:3 aspect monitor.
vHeight = 2
vWidth = vHeight * self.aspect
self.projectionMatrix = Matrix.ortho(-vWidth/2, vWidth/2, vHeight/2, -vHeight/2, -1, 1)
self.viewProjectionMatrix = self.projectionMatrix * self.viewMatrix
# Set up viewport
fbWidth, fbHeight = glfw.get_framebuffer_size(self.window)
gl.glViewport(0, 0, fbWidth, fbHeight)
q = Quad(Texture('Images/Sen Triplets.jpg'))
# Natural resolution of cards is 480x680
cardAspect = 480/680
q.x = 0
q.y = 0
q.height = .8
q.width = q.height * cardAspect
self.quad.append(q)
def eval(self, destinations):
"""Produce a travel time matrix from the origins to all destinations"""
if isinstance(destinations, str):
destinations = PointSet(destinations)
mat = Matrix(len(self._origins), len(destinations))
graphId = self._graph.getId()
if not destinations._samples.has_key(graphId):
destinations.link(self._graph)
destSamples = destinations._samples[graphId]
for i in xrange(len(self._origins)):
mat.setRow(i, destSamples.eval(self.results[i]))
return mat
def __init__(self, group_id, matrix_size):
# Determine the sizes of all the matrices (these are the same) and
# use it to assign addresses to each of them.
matrices_size = Matrix.calculate_size(4, matrix_size, matrix_size)
address_A, address_B, address_C = Address.assign_object_sizes(group_id, [matrices_size, matrices_size, matrices_size])
# Construct actual matrices on assigned addresses.
self.matrix_A = Matrix(address_A, 4, matrix_size, matrix_size)
self.matrix_B = Matrix(address_B, 4, matrix_size, matrix_size)
self.matrix_C = Matrix(address_C, 4, matrix_size, matrix_size)
def test_rowcol(self):
m = Matrix([1, 2, 3], [4, 5, 6])
self.assertEqual(m.row(0), [1, 2, 3])
self.assertEqual(m.row(1), [4, 5, 6])
# row() should only return a copy
m.row(1)[1] = 0
self.assertEqual(m[1][1], 5)
self.assertEqual(m.col(0), [1, 4])
self.assertEqual(m.col(1), [2, 5])
self.assertEqual(m.col(2), [3, 6])
# col() should only return copy
m.col(1)[1] = 0
self.assertEqual(m[1][1], 5)
def test_subtraction(self):
m1 = Matrix(4, 4)
m2 = Matrix([0 , 1 , 2 , 3 ],
[4 , 5 , 6 , 7 ],
[8 , 9 , 10, 11],
[12, 13, 14, 15])
res = m1 - m2
m1 -= m2
self.assertEqual(res.size(), [4, 4])
self.assertEqual(res.data, [[-(j * 4 + i) for i in range(4)] for j in range(4)])
self.assertEqual(m1.data, [[-(j * 4 + i) for i in range(4)] for j in range(4)])
m3 = Matrix([4, 5, 2, 9],
[2, 1, 2, 1])
m4 = Matrix([2 , 1, 9, 11],
[12, 4, 2, 12])
r,c = m3.size()
# Data should be componenet wise addition
self.assertEqual((m3 - m4).data, [[(m3[j][i] - m4[j][i]) for i in range(c)] for j in range(r)])
m4 += 3
def set_distances(self):
for i in range(1, 15):
temp = []
for j in range(1, 15):
x1 = self.points[i].get_data()[0][0]
y1 = self.points[i].get_data()[0][1]
x2 = self.points[j].get_data()[0][0]
y2 = self.points[j].get_data()[0][1]
temp.append(math.hypot(x2 - x1, y2 - y1))
self.temp_dist.append(temp)
self.distance = Matrix(self.temp_dist)
def get_rotate_matrix(n, i, j, angle):
m = Matrix.new(n, n)
for k in range(n):
if k not in [i, j]:
m[k][k] = 1
s = sin(angle)
c = cos(angle)
m[i][j] = -s
m[j][i] = s
m[i][i] = c
m[j][j] = c
return m