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cannot solve *trivial* equation

  • To: mathgroup at smc.vnet.net
  • Subject: [mg34380] cannot solve *trivial* equation
  • From: Marco Manfredini <marco at technoboredom.net>
  • Date: Fri, 17 May 2002 06:31:09 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

I just tried a friend's Mathematica 4.0.0.0: 

Solve[{A == S + Q, Q == 2*S}, A]

=> {A->3*S}

Solve[{A == S + Q, Q == 2*S}, S]

=> {}
 
Can somebody explain this to me? (ie. "bug","you stupid") 

Marco
 




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