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(→Notable uses: Point "identity matrix" to Wikipedia) |
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== Notable uses == | == Notable uses == | ||
Reshape can be used to produce an [[identity matrix]] by reshaping a vector which is one longer than the desired side length. | Reshape can be used to produce an [[wikipedia:identity matrix|identity matrix]] by reshaping a vector which is one longer than the desired side length. | ||
<source lang=apl> | <source lang=apl> | ||
4 4 ⍴ 5↑1 | 4 4 ⍴ 5↑1 |