numpy.matrix() in Python (original) (raw)

Last Updated : 09 Mar, 2022

This class returns a matrix from a string of data or array-like object. Matrix obtained is a specialised 2D array.Syntax :

numpy.matrix(data, dtype = None) :

Parameters :

data : data needs to be array-like or string dtype : Data type of returned array.

Returns :

data interpreted as a matrix

Python `

Python Program illustrating

numpy.matrix class

import numpy as geek

string input

a = geek.matrix('1 2; 3 4') print("Via string input : \n", a, "\n\n")

array-like input

b = geek.matrix([[5, 6, 7], [4, 6]]) print("Via array-like input : \n", b)

`

Output :

Via string input : [[1 2] [3 4]]

Via array-like input : [[[5, 6, 7] [4, 6]]]

References : https://docs.scipy.org/doc/numpy/reference/generated/numpy.mat.html#numpy.mat Note : These codes won't run on online IDE's. Please run them on your systems to explore the working .