diagonalise a matrix in matlab

To diagonalize a matrix in MATLAB, you can use the "eig" function to compute the eigenvalues and eigenvectors. Here's an example code that demonstrates how to diagonalize a matrix:

main.m
% Example matrix
A = [2, -1; 4, 3];

% Compute eigenvalues and eigenvectors
[V, D] = eig(A);

% V contains the eigenvectors as columns, D contains the eigenvalues as a diagonal matrix

% Diagonal matrix
D

% Eigenvectors
V
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The output is the diagonal matrix D which contains the eigenvalues along its diagonal, and the matrix V whose columns store the corresponding eigenvectors.