open parenthesis and reduce an expression
- To: mathgroup at smc.vnet.net
- Subject: [mg75102] open parenthesis and reduce an expression
- From: "kem" <kemelmi at gmail.com>
- Date: Mon, 16 Apr 2007 20:23:45 -0400 (EDT)
Hi, How can I reduce the following formula for instance
(Cos[b[x,y]] zx[x,y]-Sin[b[x,y]] zy[x,y]) (zxx Cos[b[x,y]]+zyx
Cos[b[x,y]]+
zxx Sin[b[x,y]]-zyx Sin[b[x,y]]+bx (Cos[b[x,y]]-Sin[b[x,y]])
zx[x,y]-
bx (Cos[b[x,y]]+Sin[b[x,y]]) zy[x,y])
to the formula
zxx zx + zyx zx
in mathematica?
I know that such a reduction is possible since I did it manually, I
just need to test it on more complex expressions.
Thank you very much
kem