| Author |
Comment/Response |
Nasser M. Abbasi
|
 11/24/12 00:51am
(below same replay I gave on sci.math.symbolic)
You mean something like this (in 2D space)
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r = {Cos[t], Sin[t]};
b = {1, 2};
f = (r + b)/Norm[r + b];
D[f, t]
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ps. it is not good idea to use single UpperCase variables in Mathematica. Also, variable names and functions names should start with lowerCase letters.
--Nasser
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