Python product_matrix_matrix示例

示例#1

A = np.random.rand(20, 30)
b = np.random.rand(30)
c = np.zeros((20))
linalg.product_matrix_vector(A, b, c)
print "NumPy vs mathutils.linalg diff.:", sum(np.abs(c - np.dot(A, b)))
A = np.random.rand(30, 20)
b = np.random.rand(20)
c = np.zeros((30))
linalg.product_matrix_vector(A, b, c)
print "NumPy vs mathutils.linalg diff.:", sum(np.abs(c - np.dot(A, b)))

print "Testing product_matrix_matrix"
A = np.random.rand(20, 30)
B = np.random.rand(30, 40)
C = np.zeros((20, 40))
linalg.product_matrix_matrix(A, B, C)
print "NumPy vs mathutils.linalg diff.:", np.sum(np.abs(C - np.dot(A, B)))
A = np.random.rand(30, 20)
B = np.random.rand(30, 40)
C = np.zeros((20, 40))
linalg.product_matrix_matrix(A.T, B, C)
np.dot(A.T, B)
print "NumPy vs mathutils.linalg diff.:", np.sum(np.abs(C - np.dot(A.T, B)))
A = np.random.rand(20, 30)
B = np.random.rand(40, 30)
C = np.zeros((20, 40))
linalg.product_matrix_matrix(A, B.T, C)
print "NumPy vs mathutils.linalg diff.:", np.sum(np.abs(C - np.dot(A, B.T)))
A = np.random.rand(30, 20)
B = np.random.rand(40, 30)
C = np.zeros((20, 40))

示例#2

文件： mathutils.py 项目： MultiPath/TMBP

b = np.random.rand(30)
c = np.zeros((20))
linalg.product_matrix_vector(A,b,c)
print "NumPy vs mathutils.linalg diff.:",sum(np.abs(c - np.dot(A,b)))
A = np.random.rand(30,20)
b = np.random.rand(20)
c = np.zeros((30))
linalg.product_matrix_vector(A,b,c)
print "NumPy vs mathutils.linalg diff.:",sum(np.abs(c - np.dot(A,b)))


print "Testing product_matrix_matrix"
A = np.random.rand(20,30)
B = np.random.rand(30,40)
C = np.zeros((20,40))
linalg.product_matrix_matrix(A,B,C)
print "NumPy vs mathutils.linalg diff.:",np.sum(np.abs(C - np.dot(A,B)))
A = np.random.rand(30,20)
B = np.random.rand(30,40)
C = np.zeros((20,40))
linalg.product_matrix_matrix(A.T,B,C)
np.dot(A.T,B)
print "NumPy vs mathutils.linalg diff.:",np.sum(np.abs(C - np.dot(A.T,B)))
A = np.random.rand(20,30)
B = np.random.rand(40,30)
C = np.zeros((20,40))
linalg.product_matrix_matrix(A,B.T,C)
print "NumPy vs mathutils.linalg diff.:",np.sum(np.abs(C - np.dot(A,B.T)))
A = np.random.rand(30,20)
B = np.random.rand(40,30)
C = np.zeros((20,40))

示例#3

文件： test_linalg.py 项目： yuyunli2/projects

def test_product_matrix_matrix():
    """
    Testing product_matrix_matrix
    """

    A = np.random.rand(20, 30)
    B = np.random.rand(30, 40)
    C = np.zeros((20, 40))
    linalg.product_matrix_matrix(A, B, C)
    assert np.sum(np.abs(C - np.dot(A, B))) < 1e-10
    A = np.random.rand(30, 20)
    B = np.random.rand(30, 40)
    C = np.zeros((20, 40))
    linalg.product_matrix_matrix(A.T, B, C)
    np.dot(A.T, B)
    assert np.sum(np.abs(C - np.dot(A.T, B))) < 1e-10
    A = np.random.rand(20, 30)
    B = np.random.rand(40, 30)
    C = np.zeros((20, 40))
    linalg.product_matrix_matrix(A, B.T, C)
    assert np.sum(np.abs(C - np.dot(A, B.T))) < 1e-10
    A = np.random.rand(30, 20)
    B = np.random.rand(40, 30)
    C = np.zeros((20, 40))
    linalg.product_matrix_matrix(A.T, B.T, C)
    assert np.sum(np.abs(C - np.dot(A.T, B.T))) < 1e-10
    A = np.random.rand(20, 30)
    B = np.random.rand(30, 40)
    C = np.zeros((40, 20))
    linalg.product_matrix_matrix(A, B, C.T)
    assert np.sum(np.abs(C.T - np.dot(A, B))) < 1e-10
    A = np.random.rand(30, 20)
    B = np.random.rand(30, 40)
    C = np.zeros((40, 20))
    linalg.product_matrix_matrix(A.T, B, C.T)
    assert np.sum(np.abs(C.T - np.dot(A.T, B))) < 1e-10
    A = np.random.rand(20, 30)
    B = np.random.rand(40, 30)
    C = np.zeros((40, 20))
    linalg.product_matrix_matrix(A, B.T, C.T)
    assert np.sum(np.abs(C.T - np.dot(A, B.T))) < 1e-10
    A = np.random.rand(30, 20)
    B = np.random.rand(40, 30)
    C = np.zeros((40, 20))
    linalg.product_matrix_matrix(A.T, B.T, C.T)
    assert np.sum(np.abs(C.T - np.dot(A.T, B.T))) < 1e-10

    # Testing with fortran order
    A = np.zeros((20, 30), order='fortran')
    A[:] = np.random.rand(20, 30)
    B = np.random.rand(30, 40)
    C = np.zeros((20, 40))
    linalg.product_matrix_matrix(A, B, C)
    assert np.sum(np.abs(C - np.dot(A, B))) < 1e-10
    A = np.zeros((30, 20), order='fortran')
    A[:] = np.random.rand(30, 20)
    B = np.random.rand(30, 40)
    C = np.zeros((20, 40))
    linalg.product_matrix_matrix(A.T, B, C)
    np.dot(A.T, B)
    assert np.sum(np.abs(C - np.dot(A.T, B))) < 1e-10
    A = np.zeros((20, 30), order='fortran')
    A[:] = np.random.rand(20, 30)
    B = np.random.rand(40, 30)
    C = np.zeros((20, 40))
    linalg.product_matrix_matrix(A, B.T, C)
    assert np.sum(np.abs(C - np.dot(A, B.T))) < 1e-10
    A = np.zeros((30, 20), order='fortran')
    A[:] = np.random.rand(30, 20)
    B = np.random.rand(40, 30)
    C = np.zeros((20, 40))
    linalg.product_matrix_matrix(A.T, B.T, C)
    assert np.sum(np.abs(C - np.dot(A.T, B.T))) < 1e-10
    A = np.zeros((20, 30), order='fortran')
    A[:] = np.random.rand(20, 30)
    B = np.random.rand(30, 40)
    C = np.zeros((40, 20))
    linalg.product_matrix_matrix(A, B, C.T)
    assert np.sum(np.abs(C.T - np.dot(A, B))) < 1e-10
    A = np.zeros((30, 20), order='fortran')
    A[:] = np.random.rand(30, 20)
    B = np.random.rand(30, 40)
    C = np.zeros((40, 20))
    linalg.product_matrix_matrix(A.T, B, C.T)
    assert np.sum(np.abs(C.T - np.dot(A.T, B))) < 1e-10
    A = np.zeros((20, 30), order='fortran')
    A[:] = np.random.rand(20, 30)
    B = np.random.rand(40, 30)
    C = np.zeros((40, 20))
    linalg.product_matrix_matrix(A, B.T, C.T)
    assert np.sum(np.abs(C.T - np.dot(A, B.T))) < 1e-10
    A = np.zeros((30, 20), order='fortran')
    A[:] = np.random.rand(30, 20)
    B = np.random.rand(40, 30)
    C = np.zeros((40, 20))
    linalg.product_matrix_matrix(A.T, B.T, C.T)
    assert np.sum(np.abs(C.T - np.dot(A.T, B.T))) < 1e-10

    A = np.random.rand(1, 30)
    B = np.random.rand(30, 1)
    C = np.zeros((1, 1))
    linalg.product_matrix_matrix(A, B, C)
    assert np.sum(np.abs(C - np.dot(A, B))) < 1e-10

示例#4

文件： test_linalg.py 项目： goelhardik/projects

def test_product_matrix_matrix():
    """
    Testing product_matrix_matrix
    """

    A = np.random.rand(20,30)
    B = np.random.rand(30,40)
    C = np.zeros((20,40))
    linalg.product_matrix_matrix(A,B,C)
    assert np.sum(np.abs(C - np.dot(A,B))) < 1e-10
    A = np.random.rand(30,20)
    B = np.random.rand(30,40)
    C = np.zeros((20,40))
    linalg.product_matrix_matrix(A.T,B,C)
    np.dot(A.T,B)
    assert np.sum(np.abs(C - np.dot(A.T,B))) < 1e-10
    A = np.random.rand(20,30)
    B = np.random.rand(40,30)
    C = np.zeros((20,40))
    linalg.product_matrix_matrix(A,B.T,C)
    assert np.sum(np.abs(C - np.dot(A,B.T))) < 1e-10
    A = np.random.rand(30,20)
    B = np.random.rand(40,30)
    C = np.zeros((20,40))
    linalg.product_matrix_matrix(A.T,B.T,C)
    assert np.sum(np.abs(C - np.dot(A.T,B.T))) < 1e-10
    A = np.random.rand(20,30)
    B = np.random.rand(30,40)
    C = np.zeros((40,20))
    linalg.product_matrix_matrix(A,B,C.T)
    assert np.sum(np.abs(C.T - np.dot(A,B))) < 1e-10
    A = np.random.rand(30,20)
    B = np.random.rand(30,40)
    C = np.zeros((40,20))
    linalg.product_matrix_matrix(A.T,B,C.T)
    assert np.sum(np.abs(C.T - np.dot(A.T,B))) < 1e-10
    A = np.random.rand(20,30)
    B = np.random.rand(40,30)
    C = np.zeros((40,20))
    linalg.product_matrix_matrix(A,B.T,C.T)
    assert np.sum(np.abs(C.T - np.dot(A,B.T))) < 1e-10
    A = np.random.rand(30,20)
    B = np.random.rand(40,30)
    C = np.zeros((40,20))
    linalg.product_matrix_matrix(A.T,B.T,C.T)
    assert np.sum(np.abs(C.T - np.dot(A.T,B.T))) < 1e-10

    # Testing with fortran order
    A = np.zeros((20,30),order='fortran')
    A[:] = np.random.rand(20,30)
    B = np.random.rand(30,40)
    C = np.zeros((20,40))
    linalg.product_matrix_matrix(A,B,C)
    assert np.sum(np.abs(C - np.dot(A,B))) < 1e-10
    A = np.zeros((30,20),order='fortran')
    A[:] = np.random.rand(30,20)
    B = np.random.rand(30,40)
    C = np.zeros((20,40))
    linalg.product_matrix_matrix(A.T,B,C)
    np.dot(A.T,B)
    assert np.sum(np.abs(C - np.dot(A.T,B))) < 1e-10
    A = np.zeros((20,30),order='fortran')
    A[:] = np.random.rand(20,30)
    B = np.random.rand(40,30)
    C = np.zeros((20,40))
    linalg.product_matrix_matrix(A,B.T,C)
    assert np.sum(np.abs(C - np.dot(A,B.T))) < 1e-10
    A = np.zeros((30,20),order='fortran')
    A[:] = np.random.rand(30,20)
    B = np.random.rand(40,30)
    C = np.zeros((20,40))
    linalg.product_matrix_matrix(A.T,B.T,C)
    assert np.sum(np.abs(C - np.dot(A.T,B.T))) < 1e-10
    A = np.zeros((20,30),order='fortran')
    A[:] = np.random.rand(20,30)
    B = np.random.rand(30,40)
    C = np.zeros((40,20))
    linalg.product_matrix_matrix(A,B,C.T)
    assert np.sum(np.abs(C.T - np.dot(A,B))) < 1e-10
    A = np.zeros((30,20),order='fortran')
    A[:] = np.random.rand(30,20)
    B = np.random.rand(30,40)
    C = np.zeros((40,20))
    linalg.product_matrix_matrix(A.T,B,C.T)
    assert np.sum(np.abs(C.T - np.dot(A.T,B))) < 1e-10
    A = np.zeros((20,30),order='fortran')
    A[:] = np.random.rand(20,30)
    B = np.random.rand(40,30)
    C = np.zeros((40,20))
    linalg.product_matrix_matrix(A,B.T,C.T)
    assert np.sum(np.abs(C.T - np.dot(A,B.T))) < 1e-10
    A = np.zeros((30,20),order='fortran')
    A[:] = np.random.rand(30,20)
    B = np.random.rand(40,30)
    C = np.zeros((40,20))
    linalg.product_matrix_matrix(A.T,B.T,C.T)
    assert np.sum(np.abs(C.T - np.dot(A.T,B.T))) < 1e-10

    A = np.random.rand(1,30)
    B = np.random.rand(30,1)
    C = np.zeros((1,1))
    linalg.product_matrix_matrix(A,B,C)
    assert np.sum(np.abs(C - np.dot(A,B))) < 1e-10