FAQ 000720 EN-US

12/01/2017

Robert Vogl Calculation RF-STABILITY

What happens in the Sturm sequence check?

Answer

The so-called Sturm sequence check tests whether all eigenvalues were found in a certain interval. It uses the diagonal matrix from the Gauss decomposition whose number of negative diagonal elements, corresponds to the number of eigenvalues below the respective interval limit.

Therefore, the Sturm sequence check is used for the given interval limits and calculates the difference from them.

Keywords

Sturm check eigenvalue diagonal matrix

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