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| This is effectively what [[MATLAB/Svd|pinv]] does. | This is effectively what [[MATLAB/Pinv|pinv]] does. |
MATLAB svd
The svd function calculates the SVD decomposition of any matrix.
Contents
Usage
To solve the problem Ax = b for any size matrix A, try:
[U, S, V] = svd(A); S_inv = diag(1./diag(S)); x = V * S_inv * U' * b;
This is effectively what pinv does.
The original A can be returned by U*S*V'.