Multiple eigen-values for 2x2 and 3x3 matrices

版本 2.1.0.0 (6.3 KB) 作者: Bruno Luong
Compute in one shot the eigen-values of multiples (3 x 3) matrices using Cardan's formula
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更新时间 2021/3/26

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Note that this function do not return EIGEN VECTORS.

This function is faster than looping on EIG when eigenvalues must be computed for a large number of matrices. The test shows it can speed up by 10 times

引用格式

Bruno Luong (2024). Multiple eigen-values for 2x2 and 3x3 matrices (https://www.mathworks.com/matlabcentral/fileexchange/27680-multiple-eigen-values-for-2x2-and-3x3-matrices), MATLAB Central File Exchange. 检索来源 .

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Eig3Folder

版本 已发布 发行说明
2.1.0.0

Eigen vectors can be now computed.
For dimension 3 it requires https://www.mathworks.com/matlabcentral/fileexchange/68976-multipleqr
1.3.0.0

Extend for 2x2 matrices
1.2.0.0

Extend to complex matrices as well
1.1.0.0

Speed improvement
1.0.0.0