# 10 examples of 'python matrix multiplication without numpy' in Python

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``153def MultTranspose(self, x, y):154    r"""MultTranspose(AbstractSparseMatrix self, Vector x, Vector y)"""155    return _matrix.AbstractSparseMatrix_MultTranspose(self, x, y)``
``88def MultTranspose(self, x, y):89    r"""MultTranspose(ComplexOperator self, Vector x, Vector y)"""90    return _complex_operator.ComplexOperator_MultTranspose(self, x, y)``
``201def MultTranspose(self, x, y):202    r"""MultTranspose(OperatorHandle self, Vector x, Vector y)"""203    return _handle.OperatorHandle_MultTranspose(self, x, y)``
``310@matrixify311@upcast312@njit313def mul_dense(x, y):  # pragma: no cover314    """Numba-accelerated element-wise multiplication of two dense matrices.315    """316    return x * y``
``286def mult(self, x):287    """Multiplication from right-hand side (dot product)."""288    part1 = (np.dot(np.transpose(x), self.EV).T*self.mul).reshape(-1, 1)289    return self.EV.dot(part1).reshape(-1,)``
``106def Mult(self, x, y):107    r"""Mult(Operator self, Vector x, Vector y)"""108    return _operators.Operator_Mult(self, x, y)``
``28def matrix_vector_mul(a, b):29    """30    a: A theano matrix31    b: A theano vector32    Returns the matrix-vector product of a and b33    """3435    return T.dot(a, b)``
``171def test_mul_array(self):172    self.check_array_array_op(operator.mul)``
``293def MultTranspose(self, x, y):294    r"""MultTranspose(BlockLowerTriangularPreconditioner self, Vector x, Vector y)"""295    return _blockoperator.BlockLowerTriangularPreconditioner_MultTranspose(self, x, y)``
``1033def __matmul__(self, other):1034    """1035    Performs matrix multiplication (infix operator: @). See PEP 465)1036    """1037    return binaryMatrixFunction(self, other, 'dot')``