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numpy.matrix() in Python
  • Difficulty Level : Basic
  • Last Updated : 07 Dec, 2020

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 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-ID. Please run them on your systems to explore the working
.
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