Title: Invert A Matrix
Slug: invert_a_matrix
Summary: How to invert a matrix in Python.
Date: 2017-09-03 12:00
Category: Machine Learning
Tags: Vectors Matrices Arrays
Authors: Chris Albon

Preliminaries



In [1]:

    
# Load library
import numpy as np

Create Matrix



In [2]:

    
# Create matrix
matrix = np.array([[1, 4],
                   [2, 5]])

Invert Matrix



In [3]:

    
# Calculate inverse of matrix
np.linalg.inv(matrix)









    Out[3]:





array([[-1.66666667,  1.33333333],
       [ 0.66666667, -0.33333333]])