Re: Are two expressions equal?
- To: mathgroup at smc.vnet.net
- Subject: [mg5082] Re: Are two expressions equal?
- From: rubin at msu.edu (Paul A. Rubin)
- Date: Fri, 25 Oct 1996 22:48:39 -0400
- Organization: Michigan State University
- Sender: owner-wri-mathgroup at wolfram.com
In article <54kam8$d6r at dragonfly.wolfram.com>, jeremy_gorman at smtp.svl.trw.com (Jeremy Gorman) wrote: ->Hello Folks, -> ->How can I check to see if these expressions are equal? ->---------------------------- ->In[25]:= ->q1 == q2 ->Out[25]= [gory trig expression == other gory trig expression deleted] ->------------------------------- ->I've tried ->Expand[q1]==Expand[q2] ->but Mma 2.2.2 still returns an expresion with == in it. ->I could go through comparing subexpressions, but there are a few ->more of these which I'd like to compare, and I'm hoping for a ->more general approach. -> ->Thanks in advance ->Jeremy -> ->/*\ \*/ /*\ \*/ /*\ \*/ /*\ \*/ /*\ \*/ /*\ \*/ /*\ \*/ /*\ \*/ ->Jeremy Gorman "Just a Comment" ->Most of my opinions are my own (especially if expressed here) ! ->/*\ \*/ /*\ \*/ /*\ \*/ /*\ \*/ /*\ \*/ /*\ \*/ /*\ \*/ /*\ \*/ Try Expand[q1, Trig->True] == Expand[q2, Trig->True] and see if that works. -- Paul ************************************************************************** * Paul A. Rubin Phone: (517) 432-3509 * * Department of Management Fax: (517) 432-1111 * * Eli Broad Graduate School of Management Net: RUBIN at MSU.EDU * * Michigan State University * * East Lansing, MI 48824-1122 (USA) * ************************************************************************** Mathematicians are like Frenchmen: whenever you say something to them, they translate it into their own language, and at once it is something entirely different. J. W. v. GOETHE