Apropos bugs ... optimize.fmin_powell(func,x0) works erroneous See rayleigh.py for details Nils -------------- next part -------------- A non-text attachment was scrubbed... Name: rayleigh.py Type: application/x-python Size: 1886 bytes Desc: not available Url : http://projects.scipy.org/pipermail/scipy-dev/attachments/20050929/b7efb844/attachment.bin