Re: please solve
- To: mathgroup at smc.vnet.net
- Subject: [mg52934] Re: [mg52915] please solve
- From: DrBob <drbob at bigfoot.com>
- Date: Fri, 17 Dec 2004 05:18:59 -0500 (EST)
- References: <200412160841.DAA27384@smc.vnet.net>
- Reply-to: drbob at bigfoot.com
- Sender: owner-wri-mathgroup at wolfram.com
The Inverse of that matrix doesn't exist, of course. If it did, this would work: b = Inverse[Transpose[x] . x] . Transpose[x] . y Bobby On Thu, 16 Dec 2004 03:41:58 -0500 (EST), <rcmcll at yahoo.com> wrote: > Greetings: > > Could someone please solve this symbolically? > This is just the ols formula for beta-hat but I need a symbolic > solution for this special case. > > b = inv(x'x)x'y > > where > > x = 1 t t^2 > 1 t t^2 > 1 t t^2 > > > and simplify simplify simplify!! > > Thanks, > > Bob > > > > -- DrBob at bigfoot.com www.eclecticdreams.net
- References:
- please solve
- From: rcmcll@yahoo.com
- please solve