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solve doesn't solve

• To: mathgroup at smc.vnet.net
• Subject: [mg54265] solve doesn't solve
• From: juejung <juejung at indiana.edu>
• Date: Mon, 14 Feb 2005 21:51:13 -0500 (EST)
• Sender: owner-wri-mathgroup at wolfram.com

hi,

can anybody solve the following equation for variable s with Mathematica?

((-(-1 + b))*R*beta)/(a - (-1 + b)*R*s)^sigma - (-s + w -  
w*tau)^(-sigma)==0

Solve doesn't work. I get this annoying error message.

Solve::tdep: The equations appear to involve the variables to be solved for
in an essentially non-algebraic way.

I would like to get analytical solutions (numerical is not problem) to  
problems like this one.I know this one's easy done by hand but I have more  
cumbersome ones to deal with.
Is there a package out there that can solve this analytically, or is this  
just impossible on computers?

Thanks a lot.

Juergen
-- 
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