On Tue, Mar 1, 2011 at 3:43 PM, Jason Grout <jason-s...@creativetrax.com> wrote: > On 3/1/11 3:58 AM, Fredrik Johansson wrote: >> >> On Tue, Mar 1, 2011 at 4:30 AM, Francois Bissey >> <francois.bis...@canterbury.ac.nz> wrote: >>>> >>>> On Mon, 28 Feb 2011 at 01:26PM -0800, jtyard wrote: >>>>> >>>>> I'm running sage 4.6.1 and cannot use plot after loading mpmath. >>>>> Namely, running >>>>> >>>>>> from mpmath import * >>>>>> plot(lambda t: sin(2*pi*t), [1, 4]) >>>>> >>>>> produces no output in the notebook. I'm loading mpmath because I need >>>>> to make plots of theta functions, and the page >>>>> >>>>> >>>>> >>>>> http://mpmath.googlecode.com/svn/trunk/doc/build/functions/elliptic.html# >>>>> jacobi-theta-functions >>>>> >>>>> tells me to first run "from mpmath import *" to gain access to jtheta. >>>> >>>> I'm not 100% sure what's going on, but I do see that mpmath has its own >>>> plot function, and your "from mpmath import *" line overwrites Sage's >>>> usual plot function with mpmath's. >>>> >>>> This works: >>>> >>>> sage: import mpmath >>>> sage: plot(lambda t: mpmath.sin(2*pi*t), (1,4)) >>>> >>>> So I guess the question is, why isn't mpmath's plot function working? >>>> >>> Interestingly mpmath-0.16 and 0.17 have support for matplotlib so >>> presumably >>> those can use matplotlib for plot. >> >> mpmath basically justs calls pylab.show(), which doesn't do anything >> in the notebook (nor in the Sage interpreter). We could hack mpmath in >> Sage to be more clever. Alternatively, perhaps a better solution would >> to make pylab.show() work in Sage. Is this feasible? > > If you compile with SAGE_MATPLOTLIB_GUI (and you have the prerequisites so > that one of the GUI backends is built), then I believe pylab.show() works > just fine.
Ah, nice. Still, it would be nice if matplotlib could be used to generate plots directly in the notebook, by default. Fredrik -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
