Re: How can I get better solution for this...?
- To: mathgroup at smc.vnet.net
- Subject: [mg120038] Re: How can I get better solution for this...?
- From: DrMajorBob <btreat1 at austin.rr.com>
- Date: Thu, 7 Jul 2011 07:27:30 -0400 (EDT)
- References: <201107060939.FAA29377@smc.vnet.net>
- Reply-to: drmajorbob at yahoo.com
Solve[{sx^2 (1 + gx gy)^2 + sx^2 gy^2 == p00, sx sy gx (1 + gx gy) + sx sy gy == p01, sy^2 (1 + gx^2) == p11, sx sy == d}, {p00, p01, p11, d}] {{p00 -> sx^2 + 2 gx gy sx^2 + gy^2 sx^2 + gx^2 gy^2 sx^2, p01 -> gx sx sy + gy sx sy + gx^2 gy sx sy, p11 -> (1 + gx^2) sy^2, d -> sx sy}} Bobby On Wed, 06 Jul 2011 04:39:55 -0500, sid <siddys at gmail.com> wrote: > Hi all, > I am trying to solve the following for {sx,sy,gx,gy} > > sx^2 (1 + gx gy)^2 + sx^2 gy^2 = P00 ........(1) > sx sy gx (1 + gx gy) + sx sy gy = P01 .......(2) > sy^2 ( 1 + gx^2) = P11 ...............................(3) > sx sy = D ................................................(4) > > in terms of P00,P01,P11, and D. > > When I use Solve[] , I get a huge output containing the P terms up > till the order of 16 (i.e P00^16 etc..), which > I know is not correct. I do not think I am specifying the problem > correctly, and being a non-expert in Mathematica, would appreciate > some help. Specifically > 1) should I specify the simultaneous equation using && operator? I > have tried it, and I get different (but huge) output > 2) can I break the problem into parts? how? > Thanks, > s. > -- DrMajorBob at yahoo.com
- References:
- How can I get better solution for this...?
- From: sid <siddys@gmail.com>
- How can I get better solution for this...?