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| KASH3 Reference Manual
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| ### Function Index ( seq() S, any x ) -> elt-ord^rat ### Description The index of x in S from f (i.e. the smallest integer i >= f such that S[i] equals x), 0 if x is not in that portion of S. ### Examples x_s:= Sequence([5,3,8,2]);Index(x_s,3);
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