User Portlet
| Discussions |
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| Is this a math question or a question specific to Mathematica? If the latter, what aspect of the documentation for `Eigensystem` is causing confusion? |
| Hi, I agree with others that the sign does not matter here. The roots are the only values of interest. It's worthwhile -- though somewhat circular -- to calculate the characteristic polynomial as follows: Poly = Times @@ ((x - #) & /@... |