How to resolve the algorithm Gauss-Jordan matrix inversion step by step in the J programming language
Published on 12 May 2024 09:40 PM
How to resolve the algorithm Gauss-Jordan matrix inversion step by step in the J programming language
Table of Contents
Problem Statement
Invert matrix A using Gauss-Jordan method. A being an n × n matrix.
Let's start with the solution:
Step by Step solution about How to resolve the algorithm Gauss-Jordan matrix inversion step by step in the J programming language
Source code in the j programming language
require 'math/misc/linear'
augmentR_I1=: ,. e.@i.@# NB. augment matrix on the right with its Identity matrix
matrix_invGJ=: # }."1 [: gauss_jordan@augmentR_I1
]A =: 1 2 3, 4 1 6,: 7 8 9
1 2 3
4 1 6
7 8 9
matrix_invGJ A
_0.8125 0.125 0.1875
0.125 _0.25 0.125
0.520833 0.125 _0.145833
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