関連ワード:  how to make matrix in python numpy    how to create matrix in python numpy    how to make matrix in python without numpy    how to do matrix multiplication in python numpy    how to create identity matrix in python using numpy    how to create empty matrix in python without numpy    how to do matrix multiplication in python using numpy    how to do matrix multiplication in python without numpy    how to get transpose of a matrix in python numpy    how to create a 3x3 matrix in python without numpy