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                      Index

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                      Nota

                      Working with abstract algebra? See Index (Abstract Algebra).

                      Returns the position of an element on a vector.

                      Syntax

                      index(Element, Vector | List)
                      
                      index(Element, Vector | List, Integer)
                      

                      Description

                      Given an element and a vector or list, returns the index of the first occurrence (starting at 1). If the element does not belong to the vector or list, returns 0.

                      Given an element, a vector or list and an integer n, returns the index of the first occurrence after position n. If the element does not belong to the vector or list, returns 0.

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