Does anybody know how to get different eigenvectors of matrices with two or more equal eigenvalues? The standard Mathcad eigenvec function only gives the same eigenvectors.
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Why do you expect different eigenvectors for equal eigenvalues? You may create your own "different" vectors by multiplying the one which Mathcad provides by any number you like. You may also notice that Mathcads numerics and its symbolic usually return differently normalized eigenvectors.
Sorry, you did not answer the question.
Let's use one example I got from other and typed into (attached) MathCad.