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Re: Re: Simplify

  • To: mathgroup at smc.vnet.net
  • Subject: [mg91132] Re: [mg91122] Re: Simplify
  • From: Murray Eisenberg <murray at math.umass.edu>
  • Date: Thu, 7 Aug 2008 04:38:42 -0400 (EDT)
  • Organization: Mathematics & Statistics, Univ. of Mass./Amherst
  • References: <g791is$9ng$1@smc.vnet.net> <200808060909.FAA22573@smc.vnet.net>
  • Reply-to: murray at math.umass.edu

Note that MatrixForm is not required here with FactorOut.  You could 
equally well use:

   v = {2 cet1, 0, -2 cet1, cet1, 0, -cet1};

   Needs["Presentations`Master`"]

   FactorOut[cet1,HoldForm][v]
cet1 {2,0,-2,1,0,-1}

David Park wrote:
> list = {{2 cet1, 0, -2 cet1, cet1, 0, -cet1}};
> 
> cet1 MatrixForm[list/cet1]
> cet1 (2 0 -2 1 0 -1)
> 
> Or using the Presentations package:
> 
> Needs["Presentations`Master`"]
> 
> list // FactorOut[cet1, MatrixForm]
> cet1 (2 0 -2 1 0 -1)
> 

-- 
Murray Eisenberg                     murray at math.umass.edu
Mathematics & Statistics Dept.
Lederle Graduate Research Tower      phone 413 549-1020 (H)
University of Massachusetts                413 545-2859 (W)
710 North Pleasant Street            fax   413 545-1801
Amherst, MA 01003-9305


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