Thank you very much. It works! On Monday, October 19, 2015 at 3:05:20 PM UTC+3, Francesco Bonazzi wrote: > > Try *factor*( ) > > In [1]: log(25) > Out[1]: log(25) > > In [2]: factor(log(25)) > Out[2]: 2*log(5) > > > > To apply it only to logarithm expressions: > > In [6]: l = log(25) > > In [7]: l.replace(lambda expr: isinstance(expr, log), lambda expr: factor( > expr)) > Out[7]: 2*log(5) > > > > On Monday, 19 October 2015 11:32:34 UTC+2, Paul Royik wrote: >> >> simplify(2log(5)) returns log(25) >> How to revert this? >> >> On Monday, October 19, 2015 at 10:35:45 AM UTC+3, Francesco Bonazzi wrote: >>> >>> >>> >>> On Monday, 19 October 2015 07:12:46 UTC+2, Paul Royik wrote: >>>> >>>> Hello. >>>> I noticed that simplify moves coefficient of logarithm under logarithm: >>>> 2*log(5)=log(5**2)=log(25). >>>> >>>> >>> Are you sure it does? >>> >>> I get this: >>> >>> In [2]: 2*log(5) >>> Out[2]: 2*log(5) >>> >>> In [5]: log(25) >>> Out[5]: log(25) >>> >>> >>> >>>
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