hi all, let me inform you about a summary of ticket work, according to Alan Isaac demand. all tickets assigned to me are mentioned here. ====================== Pending ------- http://projects.scipy.org/scipy/scipy/ticket/344 should be closed changeset [3172] <http://projects.scipy.org/scipy/scipy/changeset/3172>, it had been fixed and now all fmin_cg tests known to me, including unittests, pass ok the problem was in _cubicmin func, it used Num.dot([[dc**2, -db**2],[-dc**3, db**3]],[fb-fa-C*db,fc-fa-C*dc]) and it gave incorrect multiply with current numpy version (matrix of shape 2x2x1 times matrix of shape 2x2 or like that) http://projects.scipy.org/scipy/scipy/ticket/384 tnc: TypeError: argument 2 must be list, not numpy.ndarray so the problem was ... = fmin_tnc(func, x, ...) earlier tnc required x to be Python list, not numpy.ndarray. I added line x = asfarray(x).tolist() So now tnc works with both python list (see /optimize/tests/test_optimize.py, funcs test3fg, test4fg and others) and numpy.ndarray (func test38fg from same file) http://projects.scipy.org/scipy/scipy/ticket/390 (bfgs falls) we decided the one should be closed because bfgs solver is used on an non-convex objfun with lots of local minima. So nothing special that sometimes it yields other solution than mentioned by ticket author. the ticket should be closed http://projects.scipy.org/scipy/scipy/ticket/234 suppressing warning in leastsq and fsolve in optimize it's done in the way proposed by ticket author, the ticket should be closed http://projects.scipy.org/scipy/scipy/ticket/285 (enhancement proposition to fmin_powell) So, as it was proposed by Alan Isaac and agreed in scipy mail list, alternative changes to fmin_powell were implemented (object-oriented style, class with some funcs and fields.) //to Alan Isaac: it was Nils who published the comment, not I. // (please clearly summarize the blog comments here; // we cannot assume persistance of the blog) Afaik David intended to continue transformation of other scipy.optimize funcs to new style, but I don't know will he do it or not and is it worth to do or not. Won't Do -------- http://projects.scipy.org/scipy/scipy/ticket/399 OK (won't do) Closed ------ http://projects.scipy.org/scipy/scipy/ticket/296 OK (closed) http://projects.scipy.org/scipy/scipy/ticket/377 OK (closed) http://projects.scipy.org/scipy/scipy/ticket/416 OK (closed) http://projects.scipy.org/scipy/scipy/ticket/389 OK (closed) http://projects.scipy.org/scipy/scipy/ticket/388 OK (closed)