Hi all,
I have some trouble with the following lines
title(r'\\underline\{\\lambda\}\_n= '+str(f))
plot(arange(0,len(data)),data,lw=2)
xlabel('Iterations')
ylabel('Largest eigenvalue')
savefig('yuanlbl.png')
IIRC the code worked before the recent changes in
svn. How can I resolve the problem ?
Traceback (most recent call last):
File "yuan2.py", line 84, in <module>
savefig('yuanlbl.png')
File "/usr/local/lib64/python2.5/site-packages/matplotlib/pyplot.py", line 269, in savefig
return fig.savefig(*args, **kwargs)
File "/usr/local/lib64/python2.5/site-packages/matplotlib/figure.py", line 782, in savefig
self.canvas.print_figure(*args, **kwargs)
File "/usr/local/lib64/python2.5/site-packages/matplotlib/backend_bases.py", line 1195, in print_figure
**kwargs)
File "/usr/local/lib64/python2.5/site-packages/matplotlib/backends/backend_gtkagg.py", line 103, in print_png
return agg.print_png(filename, *args, **kwargs)
File "/usr/local/lib64/python2.5/site-packages/matplotlib/backends/backend_agg.py", line 396, in print_png
self.draw()
File "/usr/local/lib64/python2.5/site-packages/matplotlib/backends/backend_agg.py", line 358, in draw
self.figure.draw(self.renderer)
File "/usr/local/lib64/python2.5/site-packages/matplotlib/figure.py", line 624, in draw
for a in self.axes: a.draw(renderer)
File "/usr/local/lib64/python2.5/site-packages/matplotlib/axes.py", line 1345, in draw
a.draw(renderer)
File "/usr/local/lib64/python2.5/site-packages/matplotlib/text.py", line 317, in draw
bbox, info = self._get_layout(renderer)
File "/usr/local/lib64/python2.5/site-packages/matplotlib/text.py", line 201, in _get_layout
line, self._fontproperties, ismath=self.is_math_text(line))
File "/usr/local/lib64/python2.5/site-packages/matplotlib/backends/backend_agg.py", line 233, in get_text_width_height_descent
self.mathtext_parser.parse(s, self.dpi.get(), prop)
File "/usr/local/lib64/python2.5/site-packages/matplotlib/mathtext.py", line 2729, in parse
box = self._parser.parse(s, font_output, fontsize, dpi)
File "/usr/local/lib64/python2.5/site-packages/matplotlib/mathtext.py", line 2204, in parse
str(err)]))
ValueError:
\\underline\{\\lambda\}\_n= 443.75221866615522
^
Expected end of text (at char 0), (line:1, col:1)
Nils