Try this,
>>> exp(5*x).xreplace({exp(5*x): sin(5*x)})
sin(5*x)
On 14 August 2015 at 00:24, Adrián Ashley <adbi...@gmail.com> wrote:
> Hello,
>
> How can I substitute/replace something mathematically from an expression:
>
> For example:
>
> >>> exp(5*x).xreplace({exp(x): sin(x)})
> >>> exp(5*x) # I would expect sin(x)**5 here
>
>
> In better way to do the above thing?
>
> Thanks,
> Best,
>
> --
> Adrian
>
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--
Regards
*Sartaj Singh*
*Mathematics and Computing*,
Indian Institute of Technology,
Varanasi - 221 005 INDIA
E-mail: singhsarta...@gmail.com, *sartaj.singh.ap...@itbhu.ac.in
<sartaj.singh.ap...@itbhu.ac.in>*
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