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[MUG] Differentiation of an arbitrary sum
| [MUG] Differentiation of an arbitrary sum |
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Author: Ingo Ellersdorfer
Posted: Wed, 12 Feb 2003 14:45:08 +0100
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>> From: Ingo Ellersdorfer "ie"
Dear all,
how can I differentiate an arbitrary sum like sum(q[i],i=1..n), with respect
to q[i], so that I will get "1" instead of "n"?
Thanks for your help and best regards
Ingo Ellersdorfer
Ingo Ellersdorfer, Dipl.-Volkswirt
University of Stuttgart, Germany
Institute of Energy Economics and the Rational Use of Energy / Dept. ESA
Hessbr|hlstr. 49a
D-70565 Stuttgart
Germany
Phone: +49 711 780 6114
FAX: +49 711 780 3953
"ie"
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