Re: Matrix + Simplify

*To*: mathgroup at smc.vnet.net*Subject*: [mg49890] Re: Matrix + Simplify*From*: "CYSTERNA++" <e_cysterna at wp.pl>*Date*: Thu, 5 Aug 2004 09:21:20 -0400 (EDT)*References*: <ceqtih$jsm$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Dear David Thank you for your answer. I have solved this problem myself because this matrix is only 3x3. I thought that something special packet exists (more useful than <<'MatrixManipulation') which help me. Thank you Regards CYSTERNA++ U¿ytkownik "David Park" <djmp at earthlink.net> napisa³ w wiadomo¶ci news:ceqtih$jsm$1 at smc.vnet.net... > I think Simplify does work on arrays. In any case, you could always Map > Simplify to level {2} of your matrix expression. > > Map[Simplify, matrix, {2}] > > But simplifing expressions to the form that you want is something of an art. > It may be difficult to write a single Simplify command that works the way > you want on all elements of the matrix. You may have to combine Simplify > with some Rules that perform specific transformations. You may have to use > MapAt to transform specific matrix elements. > > Without seeing your actual matrix expression it is difficult to be more > specific. Giving specific examples on MathGroup will almost always elicit a > better response. > > David Park > djmp at earthlink.net > http://home.earthlink.net/~djmp/ > > > > From: CYSTERNA++ [mailto:e_cysterna at wp.pl] To: mathgroup at smc.vnet.net > > I have matrix 3 x 3 which contains more complicated expressions. Every > expression is long and therefore it is difficult to analisys. I know, there > is Simplify[] function but it doesn't work when its parameter is matrix or > vector. How can I simplify all elements within this matrix ? > > -- > Regards > > CYSTERNA++ > > > >