Python Matrix Examples

Example #1

File: tests.py Project: danbradham/opengl_sandbox

def test_matrix_methods_again():

    m = Matrix(
        [0, 1, 0, 0],
        [1, 0, 0, 0],
        [0, 0, 1, 0],
        [3, 3, 3, 1],
    )

    determinant = -1

    adjoint = Matrix(
        [0, -1, 0, 0],
        [-1, 0, 0, 0],
        [0, 0, -1, 0],
        [3, 3, 3, -1],
    )

    inverse = Matrix(
        [0, 1, 0, 0],
        [1, 0, 0, 0],
        [0, 0, 1, 0],
        [-3, -3, -3, 1],
    )

    assert m.determinant() == determinant
    assert m.adjoint() == adjoint
    assert m.inverse() == inverse

Example #2

File: tests.py Project: danbradham/opengl_sandbox

def test_matrix_inversion():

    m = Matrix(
        [0, 0, 1, 0],
        [1, 0, 0, 0],
        [0, 1, 0, 0],
        [3, 3, 3, 1],
    )

    inverse = Matrix(
        [0, 1, 0, 0],
        [0, 0, 1, 0],
        [1, 0, 0, 0],
        [-3, -3, -3, 1],
    )

    assert m.inverse() == inverse

Example #3

File: mesh.py Project: danbradham/opengl_sandbox

 def __init__(self):
     self.points = []
     self.triangles = []
     self.quads = []
     self.polygons = []
     self.point_color = [0, 0, 1]
     self.face_color = [0, 1, 0]
     self.matrix = Matrix.identity()

Example #4

File: tests.py Project: danbradham/opengl_sandbox

def test_matrix_inversion():

    m = Matrix(
        [0, 0, 1, 0],
        [1, 0, 0, 0],
        [0, 1, 0, 0],
        [3, 3, 3, 1],
    )

    inverse = Matrix(
        [0, 1, 0, 0],
        [0, 0, 1, 0],
        [1, 0, 0, 0],
        [-3, -3, -3, 1],
    )

    assert m.inverse() == inverse

Example #5

 def __init__(self):
     self.points = []
     self.triangles = []
     self.quads = []
     self.polygons = []
     self.point_color = [0, 0, 1]
     self.face_color = [0, 1, 0]
     self.matrix = Matrix.identity()

Example #6

File: tests.py Project: danbradham/opengl_sandbox

def test_matrix_methods_again():

    m = Matrix(
        [0, 1, 0, 0],
        [1, 0, 0, 0],
        [0, 0, 1, 0],
        [3, 3, 3, 1],
    )

    determinant = -1

    adjoint = Matrix(
        [0, -1, 0, 0],
        [-1, 0, 0, 0],
        [0, 0, -1, 0],
        [3, 3, 3, -1],
    )

    inverse = Matrix(
        [0, 1, 0, 0],
        [1, 0, 0, 0],
        [0, 0, 1, 0],
        [-3, -3, -3, 1],
    )

    assert m.determinant() == determinant
    assert m.adjoint() == adjoint
    assert m.inverse() == inverse