scanmap(factor, expr) will do that transformation.
2011/7/3 Part Marty <shinabe.munehiro at hotmail.co.jp>
> I am sorry that I can't explain it enough.
> I understood that in general (a^b)^b is not equal to a^(b*c).
> I want to collect "%i*c" from the formula.
> But I can't use "collectterms".
> Please,let me know how to convert it.
>
> %e^(%i*c*n-%i*c)-->%e^(%i*c*(n-1))
>
>
>
> (%i4) declare(n, integer)$
> (%i5) exp(%i*c)^n/exp(%i*c);
> (%o5) %e^(%i*c*n-%i*c)
> (%i6)collectterms(%,%i,c);
> (%o6) %e^(%i*c*n-%i*c)
>
> %i*c*n-%i*c;
> collectterms(%,c,%i);
> (%o8) %i*c*(n-1)
>
>
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