[sage-support] Re: suggested improvement for simplify_trig

2012-01-28 Thread achrzesz
On Jan 25, 6:21 pm, William Stein wrote: > On Wed, Jan 25, 2012 at 7:25 AM, kcrisman wrote: > > >> > Probably that should be implemented inside the trigonometric functions > >> > code itself, instead of in any of the "simplify"'s. > > >> > What do you think? > > >> +1 > > >> It's indeed annoyin

[sage-support] Re: suggested improvement for simplify_trig

2012-01-26 Thread Jesús TC
On 25 ene, 12:21, William Stein wrote: > That's bad, because z is zero after all.   Yes, "bool(foo==bar)" being > True means that Sage couldn't prove that foo == bar, but in this case, > since z does equal z, and it isn't difficult to change Sage that it > would know this, I don't see why we don't

Re: [sage-support] Re: suggested improvement for simplify_trig

2012-01-25 Thread William Stein
On Wed, Jan 25, 2012 at 7:25 AM, kcrisman wrote: > >> > Probably that should be implemented inside the trigonometric functions >> > code itself, instead of in any of the "simplify"'s. >> >> > What do you think? >> >> +1 >> >> It's indeed annoying that Sage doesn't do this simplification (because >

[sage-support] Re: suggested improvement for simplify_trig

2012-01-25 Thread kcrisman
> > Probably that should be implemented inside the trigonometric functions > > code itself, instead of in any of the "simplify"'s. > > > What do you think? > > +1 > > It's indeed annoying that Sage doesn't do this simplification (because > Maxima doesn't). Though that would be a red herring if we