MultipleQR

バージョン 3.0.2 (14.4 KB) 作成者: Bruno Luong
Perform a bunch of QR factorization of same size matrix
ダウンロード: 140
更新 2020/12/2

ライセンスの表示

If you have many (small) matrices that need to factorized in QR, instead of calling MATLAB qr in the for-loop you could use this function that can reduce by more than 6 the runtime.

According to my test MultipleQR is faster than MATLAB qr when dimension <= 10 and slower beyond that

引用

Bruno Luong (2024). MultipleQR (https://www.mathworks.com/matlabcentral/fileexchange/68976-multipleqr), MATLAB Central File Exchange. 取得済み .

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バージョン 公開済み リリース ノート
3.0.2

Uncheck compatibility with Linux and Mac, due to unknown OpenMP mex building command by the author

3.0.1

Implementation in MEX openmp

2.0.4

speed optimization

2.0.3

Add a note on the determinant value of Q

2.0.2

Speed optimization
Add script for benchmark

2.0.1

Fix issue when number of page is 0

2.0.0

Fix issue of tall matrices
Option to output economic size output
Implement multi-solver using QR decomposition

1.0.0