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Manipulation to Avoid Ungly -(-1+w)/x....

  • To: mathgroup at smc.vnet.net
  • Subject: [mg37841] Manipulation to Avoid Ungly -(-1+w)/x....
  • From: "ng" <removethisgeorgakopoulos at mindspring.com>
  • Date: Fri, 15 Nov 2002 01:34:46 -0500 (EST)
  • Organization: MindSpring Enterprises
  • Reply-to: "ng" <georgakopoulosNOSPAM at LETSSTOPGETTINGSPAMmindspring.com>
  • Sender: owner-wri-mathgroup at wolfram.com

I recall a discussion about ways to manipulate formulas so as to avoid the
ugly results of formulas that start with minus and parentheses that start
with -1, such as -(-1+w)/x... etc.

I hope I am clear. (w-1)/p is output as (-1+w)/p. How can we make
Mathematica print it the pretty way?

Another fraction comes up with a leading minus sign where it is easily
removable, but Simplify[ ] does not remove it. The result is
-(-1+w)(...)/(x+y)^2

Thanks!

Nicholas




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