On Friday 17 October 2008 06:09:17 Nathaniel E. Powell wrote:
> After playing around with this some more, I discovered that this
> only happens for something where the expression which is being
> differentiated is simply the variable of differentiation.
Other examples:
'integrate (0, x); => 0
'integrate (2, x); => 2*x
'integrate (2*x, x); => 2*'integrate(x,x)
Sometimes it may be a bad simplification:
'diff(cos(x)*x,cos(x)*x); => 1
diff(cos(x)*x,cos(x)*x); => Non-variable 2nd argument to diff
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Alexey Beshenov http://beshenov.ru/