
Re: Finding a function within an arbitrary expression
Posted:
Jul 1, 2013 5:39 AM


Try position
a = {3*u[1, 0], u[0, 0]/10., 1/u[1, 0]} pat = u[1, 0] Position[a, pat]
Ulrich
Am 30.06.2013 um 09:29 schrieb amannucci:
> I am trying to figure out what that pattern is for the following. The difficulty here is that I can think textually, but not in Mathematica patterns. > > I am looking for a function u[1,0] within a list of expressions. The function might not be defined yet. For example, a list of expressions might be: > > {3*u[1,0], u[0,0]/10., 1/u[1,0], ...} > > I want to find all the expressions that have the function u[1,0] in it. There is certainly a way to do this "textually". How would one do this with patterns? Is it possible? Thank you. > >

