Re: [Matplotlib-users] NaN's and infs

[Darren D. <dd...@co...>]

On Monday 04 October 2004 10:38 am, you wrote:
> On Monday 04 October 2004 00:58, Darren Dale wrote:
> > Would somebody kindly direct me to some information on how to deal with
> > dividing by zero?  I am getting ValueError: math domain error, is there
> > anything I can do to return an inf instead?
> >
> > Thanks,
> >
> > Darren
>
> If you can't avoid the division by zero, you can handle the exception:
>
> try:
>  a = x/0
> except ValueError:
>  pass # or some other outcome (a = 'inf')
>
> as far as I know python does not have a representation for infinity. (if I
> am wrong, somebody please correct me)


There are some special representations that can be imported, for example

from numarray.ieeespecial import inf

However, My simulations require HEAVY array mathematics, so I dont have an 
opportunity to test for exceptions.

Darren