Latest revision as of 14:17, 13 October 2019

≢ — Tally — or Multiset Not Identical — Keystroke ALT+@ or ALT+SHIFT+2 — Character 8802

Z←L≢R

returns a Boolean scalar identical to ~L≡R.

L and R are both arbitrary arrays.

Z is a Boolean scalar whose value is 1 if the two arguments differ in any respect be it depth, rank, shape or value, and 0 otherwise.

For example, in origin-1

      ''≢⍬
1
      1 2 3≢⍳3
0

See Also
System Commands	System Variables and Functions	Operators

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