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MathGroup Archive 1997

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Expand Dotproduct

  • To: mathgroup at smc.vnet.net
  • Subject: [mg7790] Expand Dotproduct
  • From: hans.steffani at e-technik.tu-chemnitz.de (Hans Steffani)
  • Date: Tue, 8 Jul 1997 22:41:06 -0400
  • Organization: University of Technology Chemnitz, FRG
  • Sender: owner-wri-mathgroup at wolfram.com

How can I expand

Transpose[a].(b.a+c)

to

Transpose[a].b.a + Transpose[a].c
?

I found

a.(b_+c_) := a.b + a.c

but in my case b is a sum which I do not want to be expanded.

Hans Friedrich Steffani
--
Hans Friedrich Steffani
Institut fuer Elektrische Maschinen und Antriebe, TU Chemnitz-Zwickau
mailto:hans.steffani at e-technik.tu-chemnitz.de
http://www.tu-chemnitz.de/~hfst/


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