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Jul 13, 2020
06:07 AM

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Jul 13, 2020
06:07 AM

Normalize in Eigen Vector

Dear all

I notice the Mathcad Prime, when we use build-in function of ** eigenvec **, Mathcad Prime include the Normalize the result.

my question is how can we get the result without normalized form ?

Thank you

2 REPLIES 2

Jul 13, 2020
06:42 AM

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Jul 13, 2020
06:42 AM

Eigenvalues are unique, but eigenvectors are not. Its up to the program which representative to choose.

Which one would you prefer?

Prime sometimes even delivers a different representative if asked for an eigenvector to a specific eigenvalue. Try eigenvec(A,2) in your example.

You may prefer the results of a symbolic evaluation. Here the order differs depending on whether you are using the new or the old symbolic engine (both available in Prime 6).

Jul 13, 2020
07:03 AM

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Jul 13, 2020
07:03 AM

If you insist on integer numbers, you may experiment with this routine, but keep in mind that multiplying numbers by 10^16 gets to the limit of precision of IEEE format. It also would work for real numbers only.