Question: Find all unknowns (parameters) from an expression (vector)

November 13 2012 by casperyc 757
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Maple 16

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Hi all,

Is there a quicker way to find all unknows from an expression?

unknowns.mw

Say I want a list contains ALL parameters. In this case, it would return

[w1,w2,mu,tau[2],tan[3],tan[4],eta[1],eta[2]]


Is there a way to do this?

Thanks!

Casper
expression parameter unknown
 
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