indexof - Maple Help

MapleTA[Builtin]

 indexof
 returns the index of an item in a sequence

 Calling Sequence indexof(k, a, b, c, d, ... )

Parameters

 k - anything a, b, c, d, ... - anything

Description

 • The indexof command returns the index of an item within the remaining sequence of arguments. The first item is in position 0, the second in position 1, and so on.
 • If k does not match any other item then -1 is returned.

Examples

 > $\mathrm{MapleTA}:-\mathrm{Builtin}:-\mathrm{indexof}\left(3,2,3,5,7,11\right)$
 ${1}$ (1)
 > $\mathrm{MapleTA}:-\mathrm{Builtin}:-\mathrm{indexof}\left(2,2,3,5,7,11\right)$
 ${0}$ (2)
 > $\mathrm{MapleTA}:-\mathrm{Builtin}:-\mathrm{indexof}\left(99,2,3,5,7,11\right)$
 ${-1}$ (3)

Compatibility

 • The MapleTA[Builtin][indexof] command was introduced in Maple 18.