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Undid revision 1137588578 by 124.123.19.19 (talk)Reverted unexplained edit. Two kinds of diagonal matrix are described in the lead. This is an example of the latter type. |
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\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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