[sage-devel] Re: find_minimum_on_interval and #2607

2009-05-01 Thread William Stein
On Fri, May 1, 2009 at 9:31 PM, Thomas Savitsky wrote: > > On Fri, May 1, 2009 at 8:05 PM, William Stein wrote: >> >> On Fri, May 1, 2009 at 4:58 PM, Thomas Savitsky wrote: >> > Hello all, >> > >> > I've noticed that the function find_minimum_on_interval makes no attempt to >> > find "the" mini

[sage-devel] Re: find_minimum_on_interval and #2607

2009-05-01 Thread Thomas Savitsky
On Fri, May 1, 2009 at 8:05 PM, William Stein wrote: > > On Fri, May 1, 2009 at 4:58 PM, Thomas Savitsky wrote: > > Hello all, > > > > I've noticed that the function find_minimum_on_interval makes no attempt to > > find "the" minimum on the interval as the documentation implies, but rather > > "

[sage-devel] Re: find_minimum_on_interval and #2607

2009-05-01 Thread William Stein
On Fri, May 1, 2009 at 5:09 PM, Tim Lahey wrote: > > > On May 1, 2009, at 7:58 PM, Thomas Savitsky wrote: > >> I looked into global optimizers, and scipy's anneal is not the >> answer.  It gives poor results quite often.  A better choice would >> be ASA, located at http://alumnus.caltech.edu/~ing

[sage-devel] Re: find_minimum_on_interval and #2607

2009-05-01 Thread Tim Lahey
On May 1, 2009, at 7:58 PM, Thomas Savitsky wrote: > I looked into global optimizers, and scipy's anneal is not the > answer. It gives poor results quite often. A better choice would > be ASA, located at http://alumnus.caltech.edu/~ingber/#ASA > Unfortunately, there are functions which g

[sage-devel] Re: find_minimum_on_interval and #2607

2009-05-01 Thread William Stein
On Fri, May 1, 2009 at 4:58 PM, Thomas Savitsky wrote: > Hello all, > > I've noticed that the function find_minimum_on_interval makes no attempt to > find "the" minimum on the interval as the documentation implies, but rather > "a local" minimum.  I imagine this may be a source of confusion for o