>>> sum(f(i) for i in range(3)) == Sum(f(i), (i,0,2)).doit() == f(0) + f(1) + f(2) True
On Friday, March 24, 2023 at 3:31:32 AM UTC-5 da...@dbailey.co.uk wrote: > On 24/03/2023 02:25, Chris Smith wrote: > > David, please start a new thread (and try IndexedBase instead of > > Function and use [] instead of ()). > > > Thanks, I did consider that, but I thought that undefined functions can > simply participate in algebraic expressions in exactly the same way as > they would in manual algebra. > > Is this a bug or a feature of SymPy? > > David > > -- 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 sympy+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/ea444cb5-a6c4-4276-8f58-f0bee620b10dn%40googlegroups.com.
