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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Identity-matrix/J/identity-matrix.j Normal file
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= i. 4 NB. create an Identity matrix of size 4
1 0 0 0
0 1 0 0
0 0 1 0
0 0 0 1
makeI=: =@i. NB. define as a verb with a user-defined name
makeI 5 NB. create an Identity matrix of size 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