[Maxima] changevar problem with sin(x)+cos(x)=t
Raymond Toy (RT/EUS)
raymond.toy at ericsson.com
Mon Apr 21 15:15:17 CDT 2008
Robert Marik wrote:
> Dear members of maxima list
> Maxima cannot change variables in the following integral
Maxima can already evaluate the integral. Any particular reason why you
want to use this substitution to do it?
> the problem is probably caused by the fact that maxima cannot solve
> sin(x)+cos(x)=t with respect to t
> Is there any workaround for this? Is there any way how to transform the
> integral of f'(x)g(f(x)) into g(t) ?
> here f' denotes derivative.
I think maxima already knows how to do this, but I'm not 100% sure.
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