Identity matrix: Difference between revisions

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 {{Primitive}}
-Given a positive integer argument ''n'', '''identity matrix''' returns a ''n''×''n'' matrix with ones in the main diagonal and zeros elsewhere.<syntaxhighlight lang=text>
+Given a positive integer argument ''n'', '''identity matrix''' returns a ''n''×''n'' matrix with ones in the main diagonal and zeros elsewhere.
+<syntaxhighlight lang=text>
  =5
 (1 0 0 0 0
@@ Line 13: / Line 15: @@
  =0
 ()
+</syntaxhighlight>{{Works in|ngn/k}}
-</syntaxhighlight>This primitive is not available in all dialects, It can be implemented in K as:<syntaxhighlight lang=text>
+This primitive is not available in all dialects, It can be implemented in K as:<syntaxhighlight lang=text>
  im:{(2#x)#1,&x}
  im[4]