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MathGroup Archive 2000

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just doesn't work

  • To: mathgroup at
  • Subject: [mg25346] just doesn't work
  • From: "Borut L" <justmyname at>
  • Date: Sat, 23 Sep 2000 03:36:13 -0400 (EDT)
  • Sender: owner-wri-mathgroup at


I am writing a paper in Mathematica 4.0, and I found it to be very powerful
text editor. However, I encountered some deadly problems, which I cannot
solve. Thanks for any help!

1. How can I replace a symbol m with (4 a b c Pi Ro)/3 in expr

(4 a^3 b c K Pi Ro)/(15 r^3)

expr/.(4 a b c Pi Ro)/3 -> m
just doesn't work

2. How Can I 'bring out' a defined part from a sum of two terms.


Bo[a^2 b c + a b c,a b c] - (would produce) - > a b c (a+1)

just doesn't work.

Borut, f.r.o.m. Slovenia

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