Re: Symbolic pkg vpa trig speed

[Colin Macdonald]

On 06/07/16 20:23, Daniel J Sebald wrote:
> > > The xv16 = bit seems take longer than I expect...
> >
> > If the xv16 case was the first time sin was called for a symbolic
> > variable,
> > the time may include loading some code into memory, or other
> > initialization.
> > What happens if you do them in the reverse order?

Thanks, but I meant the conversion from double to vpa takes too long: an 
order of magnitude longer than computing sin.

I think its just overhead because of a rather horrid loop over all 
elements done in vpa.m: easily fixable, but I may want to do it with pytave.

Colin