Eigenvalues and eigenvectors calculation

Eigenvalues and eigenvectors calculation - Messaggi

#1 Pubblicato: 07/04/2024 03:56:12
JJJ

JJJ

0 apprezzamenti in 13 post.

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Hello,

I think it could be a good idea to implement the analysis of eigenvectors and eigenvalues. I have seen some solutions in various posts, but in Mathcad it is implemented and is very easy to do.

BR,
JJ
#2 Pubblicato: 07/04/2024 10:39:57
Oscar Campo

Oscar Campo

135 apprezzamenti in 309 post.

Gruppo: Moderator

Hi
Please take a look to functions dn_LinAlgEigenvalues() and dn_LinAlgEigenvectors(), included on DotNumerics plugin

Best,
Oscar
1 utenti hanno apprezzato questo post
ioan92 07/04/2024 19:45:00
#3 Pubblicato: 12/04/2024 04:47:41
JJJ

JJJ

0 apprezzamenti in 13 post.

Gruppo: User

Hello,
I have check the functions you recomended. I don't know if the eigenvalues analysis is well done, considering units. I attach the file.

Thanks,
JJJtest_stress-tensor.sm (4,54 KiB) scaricato 1844 volta(e).
#4 Pubblicato: 12/04/2024 05:36:51
Oscar Campo

Oscar Campo

135 apprezzamenti in 309 post.

Gruppo: Moderator

Values in eigenvalues vector must be in default units (N/m^2), so [5.2*10^8, 2.0*10^8, -1.7*10^8] represent [520, 200, -170]MPa

Best,
Oscar
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