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→Power series: The norm of B was missing a double bar on the left side. Tags: Mobile edit Mobile app edit Android app edit |
→Diagonalizable matrices: D was non-italic, but it should have been Tags: Mobile edit Mobile app edit Android app edit |
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===Diagonalizable matrices===
A square matrix {{mvar|A}} is [[diagonalizable matrix|diagonalizable]], if there is an [[invertible matrix]] {{mvar|P}} such that <math>D = P^{-1}\,A\,P</math> is a [[diagonal matrix]], that is, {{
<math display="block">D=\begin{bmatrix}
d_1 & \cdots & 0 \\
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