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  1. FerMedina

    Second order Eigenvectors

    Hi, I'm trying to describe the Stroh formalism for anisotropic plates and I can't solve the eigenvectors for an eq. of the type " (A + B*l + C*l^2) * V = 0 ", where A, B and C are 3x3 matrix. I find solutions for l via solve and float, or polyroots if I don't use units with the matrix. But I...

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