Hello. Have you try factorization ?
*Christophe BAL* *Enseignant de mathématiques en Lycée **et développeur Python amateur* *---* *French teacher of **math** in a high school **and **amateur **Python * *developer* 2016-06-06 14:55 GMT+02:00 Richard Fateman <[email protected]>: > I don't understand why you need it, but you could write your own > differentiation program > without simplification in about 1/2 page of code. > > http://dl.acm.org/citation.cfm?id=307341&CFID=796040025&CFTOKEN=79612797 > > > On Wednesday, June 1, 2016 at 6:34:28 AM UTC-7, Michi S wrote: >> >> Hello! >> >> Is there a way to turn off the automatic simplification by calculating >> the derivative of a function? For example >> >> t = sym.symbols('t') >> sym.Derivative( (sin(t)+exp(t))**3 , t ).doit() >> >> gives: >> (exp(t) + sin(t))**2*(3*exp(t) + 3*cos(t)) >> >> I need the result without any simplifications (in order to detect the >> inner derivative for further calculations) >> >> Should be: >> (exp(t) + sin(t))**2*3*(exp(t) + cos(t)) >> > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/sympy. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/d611deec-a8b5-4c5d-9b30-cfd10cde6afa%40googlegroups.com > <https://groups.google.com/d/msgid/sympy/d611deec-a8b5-4c5d-9b30-cfd10cde6afa%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/sympy. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/CAAb4jG%3D8P%3DSEyCRj73aXnrbsW3jbMc-GAveW4gH-yEpEbsb6Cw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
