There's no reason to disallow it. It make perfect mathematical sense. Also, limit variables can be reused in the limits, so they in each case it might even be nontrivial.
Aaron Meurer On Fri, May 31, 2013 at 3:35 PM, Thilina Rathnayake <[email protected]> wrote: > Hi, > > Currently expressions like Sum(x, (x, 1, 10), (x, 1, 5)) are allowed in Sum > and Product. > Is there any specific reason to allow repetition of the same variable with > different or same limits? > For me, this doesn't look natural. I would like to know the reasoning behind > allowing this > kind of behaviour. > > Regards, > Thilina > > -- > 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 http://groups.google.com/group/sympy?hl=en-US. > For more options, visit https://groups.google.com/groups/opt_out. > > -- 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 http://groups.google.com/group/sympy?hl=en-US. For more options, visit https://groups.google.com/groups/opt_out.
