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Rogerbrent (talk | contribs) m →Matrix-to-vector diag operator: typo |
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Line 6:
\left[\begin{smallmatrix}
6 & 0 & 0 \\
0 &
0 & 0 &
\end{smallmatrix}\right]</math>. An [[identity matrix]] of any size, or any multiple of it (a [[#Scalar matrix|scalar matrix]]), is a diagonal matrix.
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