On Sat, Mar 24, 2012 at 1:01 PM, Matthew Rocklin <[email protected]> wrote: > We need to have some way to store unevaluated immutable matrix > multiplications. I use this on rare occasion, mostly for the latex > printing. > > So we can do MatMul(..., evaluate=False) in this case but this is a bit > misleading because I want the MatMul to simplify the expression in all ways > except explicitly multiplying the ImmutableMatrices. > > Is there a problem with just having ImmutableMatrix.__mul__ look out for > interactions with other ImmutableMatrices before creating a MatMul?
I don't understand what you mean here. Aaron Meurer > This is > a relatively clean short-circuit. This also maintains the separation between > the expression and dense matrix sub-modules. I.e. it would be unfortunate to > have checks for ImmutableMatrix in MatExpr land. We would have to cross > sub-modules. > > > On Sat, Mar 24, 2012 at 9:19 AM, [email protected] > <[email protected]> wrote: >> >> How about making MatExpr evaluate by default as it is the thing most >> frequently requested at the moment and leaving the rest until the need >> for it arises? >> >> -- >> You received this message because you are subscribed to the Google Groups >> "sympy" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/sympy?hl=en. >> > > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/sympy?hl=en. -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.
