why mupad messes up my terms?
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I have this code Why Mupad adds this annoying - in front? Is a bug?
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Walter Roberson
le 8 Déc 2015
0 votes
It is not a bug. Notice that the order of the numerator has changed from V[B]-V[N] to V[N]-V[B] with a corresponding change of sign of the overall subexpression. V[B]-V[N] = -(V[N]-V[B])
Why? Because it felt like it. Symbolic expressions may be re-ordered whenever they are not held, and when you used the evalAt operator you unheld the expressions.
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le 8 Déc 2015
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