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Re: How do I test for existence of a list element?
On 9/25/2010 2:21 AM, Joseph Gwinn wrote: > I have an application where I am bouncing around in a list, and may > accidentally ask for an element beyond the end of the list, which causes > Mathematica to complain and balk, preventing completion. > > Is there any way to test for the existence of a list element without > provoking complaint or balking should the list item fail to exist? Why not ask for the Length[list] ? -- Helen Read University of Vermont