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Writing an equation in terms of r, a and b

  • To: mathgroup at smc.vnet.net
  • Subject: [mg107850] Writing an equation in terms of r, a and b
  • From: Rafael Cunha de Almeida <no-reply at example.com>
  • Date: Mon, 1 Mar 2010 04:41:31 -0500 (EST)

Hello, I want to transform an equation to fit the following pattern:

	r = ax + by

For instance, if I had

	 r = a(-q_2) + bq_1q_2 + b

I'd like make it into this:

	 r = a(-q_2) + b(1 + q_1q_2)

In this case x = -q_2 and y = 1 + q_1q_2. Is there a function for that? What's
it called?

[]'s
Rafael


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