Characteristic polynomial

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

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Notion

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Science and technology

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What Wikipedia says

In linear algebra, the characteristic polynomial of a square matrix is a polynomial which is invariant under matrix similarity and has the eigenvalues as roots. It has the determinant and the trace of the matrix among its coefficients.

Excerpt from the Wikipedia article “Characteristic polynomial”, under the CC BY-SA 4.0 license. Read the article on Wikipedia