collect(expr, [a, b], func=factor) will do what you want. Also see this discussion https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/sympy/-0ASBB5JBG0/1XGNURZZCAAJ.
Aaron Meurer On Tue, Apr 5, 2016 at 1:45 PM, Luv Agarwal <[email protected]> wrote: > Hey, I was trying to represent the following expression in more compact > form: > > expr = a*l**2 + 2*a*l + a + b*conjugate(l)**2 - 2*b*conjugate(l) + b > > The above expr can be represented as: > > expr = a*(l+1)**2 + b*(conjugate(l)-1)**2 > > Is there any SymPy function to perform such type of conversions? I am aware > of combsimp but it is not able to do this conversion. > > Thanks > > -- > 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/b4b26fc2-1c61-4281-aae1-3e70e6c75acb%40googlegroups.com. > 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/CAKgW%3D6LYpJ5NuQbjrQH1nRt5N6TNm_t%3DrvP%2BmHueS1NYgkkR5g%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
