On Tue, Mar 16, 2010 at 7:50 AM, David Goldsmith <d.l.goldsmith@gmail.com>wrote:
This is *very* bizarre: in View mode, Other parameters is displayed before Returns, but in the edit frame in Edit mode, Returns is displayed above Other parameters, but then if I preview, the preview displays it incorrectly, even though in the edit frame, it's still correct!!! Can someone verify this on another platform/in another browser, please? (Mine: Windows Vista, Firefox 3.6). Thanks!
Not that bizarre. The rendered version simply always looks the same, and assumes that Other Params belongs before instead of after Returns. The doc standard simply disagrees with pydocweb here. I don't have a strong opinion on which one is preferable, but it should be fixed.
Cheers, Ralf
On Mon, Mar 15, 2010 at 4:13 PM, <josef.pktd@gmail.com> wrote:
On Mon, Mar 15, 2010 at 7:05 PM, Rob Clewley <rob.clewley@gmail.com> wrote:
Hi,
In both my old version and the one in the svn trunk there is an inconsistency in the docstring of scipy.optimize.fmin.
Other Parameters ---------------- xtol : float Relative error in xopt acceptable for convergence. ftol : number Relative error in func(xopt) acceptable for convergence.
As you see from the following code snippet from the body of the function, the convergence test is in terms of absolute error for both x and f, as the sim array contains x values and fsim the function values.
if (max(numpy.ravel(abs(sim[1:]-sim[0]))) <= xtol \ and max(abs(fsim[0]-fsim[1:])) <= ftol): break
Also, optional parameters for any optimize functions are not described in the draft of the Scipy reference manual I came across while googling this issue. For instance, at
http://docs.scipy.org/doc/scipy/reference/generated/scipy.optimize.fmin.html...
fmin does not have the optional arguments detailed. If this is automatically generated is there a reason why the optional parameters aren't being shown in this document? I think they should be, IMO.
just a guess:
http://docs.scipy.org/scipy/docs/scipy.optimize.optimize.fmin/
shows that Other Parameters is in the wrong order. It could be that the section is ignored for rendering the html for this reason
Josef
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