Bug in fixed_point?!

[Robert Kern]

On 12/20/10 10:03 PM, C Barrington-Leigh wrote:
> I cannot figure out what I'm doing wrong. The following does not
> return a fixed point:
>
>
> from scipy import optimize
> xxroot= optimize.fixed_point(lambda xx: exp(-2.0*xx)/2.0, 1.0,
> args=(), xtol=1e-12, maxiter=500)
> print ' %f solves fixed point, ie f(%f)=%f ?'%
> (xxroot,xxroot,exp(-2.0*xxroot)/2.0)

You will want to ask scipy questions on the scipy-user mailing list:

   http://www.scipy.org/Mailing_Lists

When you do, please provide the information that Terry Reedy asked for.

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
  that is made terrible by our own mad attempt to interpret it as though it had
  an underlying truth."
   -- Umberto Eco