Given what the patch is supposed to do, it seems like it should fix it. However, when I try to install the patch, I get the error "abort: failed to synchronize metadata for "sage/plot/plot.py". Anyway, not a huge deal, so I guess I should just wait until the patch is integrated in sage 6.1.
On Tuesday, December 17, 2013 5:36:34 PM UTC-6, P Purkayastha wrote: > > Does the patch here help: http://trac.sagemath.org/ticket/15030 ? > > On 12/18/2013 06:48 AM, Alden wrote: > > I wrote a class with a __call__ method, and I want to plot an instance > > of it using plot() in the sage notebook. I run the commands: > > > > import circle_homeo > > import cyclic_order > > h = circle_homeo.PSL2R_action(cyclic_order.CyclicOrder('abAB'))[0] > > > > (this doesn't matter; all that should matter is that h is some callable > > class) > > > > plot(h, xmin=0, xmax=1) > > > > returns the error: > > > > ***************************************** > > Traceback (most recent call last): > > File "<stdin>", line 1, in <module> > > File "_sage_input_32.py", line 10, in <module> > > exec compile(u'open("___code___.py","w").write("# -*- coding: utf-8 > > -*-\\n" + > > > _support_.preparse_worksheet_cell(base64.b64decode("cGxvdChoLCB4bWluPTAsIHhtYXg9MSk="),globals())+"\\n"); > > > > execfile(os.path.abspath("___code___.py")) > > File "", line 1, in <module> > > File "/tmp/tmpnBGA3K/___code___.py", line 3, in <module> > > exec compile(u'plot(h, xmin=_sage_const_0 , xmax=_sage_const_1 ) > > File "", line 1, in <module> > > File > > > "/home/akwalker/Documents/software/sage-5.3/local/lib/python2.7/site-packages/sage/misc/decorators.py", > > > > line 692, in wrapper > > return func(*args, **kwds) > > File > > > "/home/akwalker/Documents/software/sage-5.3/local/lib/python2.7/site-packages/sage/misc/decorators.py", > > > > line 537, in wrapper > > return func(*args, **options) > > File > > > "/home/akwalker/Documents/software/sage-5.3/local/lib/python2.7/site-packages/sage/plot/plot.py", > > > > line 1130, in plot > > G = _plot(funcs, (xmin, xmax), **kwds) > > File > > > "/home/akwalker/Documents/software/sage-5.3/local/lib/python2.7/site-packages/sage/plot/plot.py", > > > > line 1236, in _plot > > funcs, ranges = setup_for_eval_on_grid(funcs, [xrange], > > options['plot_points']) > > File > > > "/home/akwalker/Documents/software/sage-5.3/local/lib/python2.7/site-packages/sage/plot/misc.py", > > > > line 148, in setup_for_eval_on_grid > > return fast_float(funcs, *vars,**options), > > [tuple(range+[range_step]) for range,range_step in zip(ranges, > range_steps)] > > File "fast_eval.pyx", line 1377, in sage.ext.fast_eval.fast_float > > (sage/ext/fast_eval.c:9718) > > AttributeError: EquivariantRHomeo instance has no attribute '__float__' > > ******************************************* > > > > However, if I do: > > > > f = lambda x:h(x) > > plot(f, xmin=0, xmax=1) > > > > That works fine. Is there something I need to do to the class to > > convince plot() to call it? > > > > > > -- > > You received this message because you are subscribed to the Google > > Groups "sage-support" group. > > To unsubscribe from this group and stop receiving emails from it, send > > an email to [email protected] <javascript:>. > > To post to this group, send email to > > [email protected]<javascript:>. > > > Visit this group at http://groups.google.com/group/sage-support. > > For more options, visit https://groups.google.com/groups/opt_out. > > -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/groups/opt_out.
