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Eigenvalues and eigenvectors calculation
  Rank: Member Groups: Registered
Joined: 10/03/2021(UTC)
Posts: 13
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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
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  Rank: Advanced Member Groups: Registered
Joined: 10/12/2009(UTC) Posts: 247   Location: Cali, Colombia Was thanked: 87 time(s) in 66 post(s)
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Hi Please take a look to functions dn_LinAlgEigenvalues() and dn_LinAlgEigenvectors(), included on DotNumerics pluginBest, Oscar
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 1 user thanked oscampo for this useful post.
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Rank: Member Groups: Registered
Joined: 10/03/2021(UTC)
Posts: 13
Location: -
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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, JJJ  test_stress-tensor.sm (5kb) downloaded 5 time(s).
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Rank: Advanced Member Groups: Registered
Joined: 10/12/2009(UTC) Posts: 247 Location: Cali, Colombia Was thanked: 87 time(s) in 66 post(s)
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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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Eigenvalues and eigenvectors calculation
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