Multiple eigen-values for 2x2 and 3x3 matrices
by Bruno Luong
20 May 2010
(Updated 27 May 2010)
Code covered by the BSD License
Compute in one shot the eigen-values of multiples (3 x 3) matrices using Cardan's formula
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| File Information |
| Description |
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 |
| MATLAB release |
MATLAB 7.10 (2010a)
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| Zip File Content |
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| Other Files |
Eig3Folder/bench_eig3.m,
Eig3Folder/CardanRoots.m,
Eig3Folder/eig2.m,
Eig3Folder/eig3.m,
Eig3Folder/ParabolaRoots.m,
license.txt
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| Updates |
| 20 May 2010 |
Speed improvement |
| 21 May 2010 |
Extend to complex matrices as well |
| 27 May 2010 |
Extend for 2x2 matrices |
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