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Symbol Iota
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__NOTOC__ <h1> {iota} — iota or index; Keystroke ALT+i ; Character (⎕UCS) 9075</h1> ==Usage== Monadic use: * [[Index Generator]]: <apll>⍳R</apll> Dyadic use: * [[Index Of]]: <apll>L⍳R</apll> ==Examples== <pre> ⍳20 ⍝ Monadic example, generate the set of integers 1 through 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 'ABCDEFG' ⍳ 'BG' ⍝ Dyadic example, find/lookup the letters B and G in the string 'ABCDEFG' (pos 1 = A, pos 2 = B, ... pos 7 = G) 2 7 ⍝ Results found at positions 2 and 7 of string 'ABCDEFG' </pre> ==See Also== * [[Index Generator]]: <apll>⍳R</apll> * [[Index Of]]: <apll>L⍳R</apll> * [[System_Variable_IO]] <apll>⎕IO</apll> or quad IO, Index Origin * [[Array Lookup]]: <apll>L⍸R</apll> * [[Indexing]]: <apll>R[L]</apll>, <apll>R[L]←A</apll>, <apll>R[L]<i>f</i>←A</apll>, <apll>L⌷R</apll>, <apll>L⍉R</apll>, <apll>L⊃R</apll> * [[Indices]]: <apll>⍸R</apll> {{Language Toolbar}} [[Category:Mouse Group 7|I]] [[Category:Symbols|I]]
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