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RosettaCodeData/Task/Identity-matrix/APL/identity-matrix-2.apl

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Another update from ingydotnet^djgoku
2015-11-18 06:14:39 +00:00
ID←{∘.=⍨⍳⍵}
A-M baby
2013-04-10 21:29:02 -07:00
ID 5
1 0 0 0 0
0 1 0 0 0
0 0 1 0 0
0 0 0 1 0
0 0 0 0 1
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