Hello.
I have been battling with the following error for the past week. The output
from the terminal is:
Traceback (most recent call last):
File
"C:\development\Python\2_5_2\Lib\site-packages\matplotlib\backends\backend_qt4agg.py",
line 86, in paintEvent
FigureCanvasAgg.draw(self)
File
"C:\development\Python\2_5_2\Lib\site-packages\matplotlib\backends\backend_agg.py",
line 261, in draw
self.figure.draw(self.renderer)
File "C:\development\Python\2_5_2\Lib\site-packages\matplotlib\figure.py",
line 765, in draw
legend.draw(renderer)
File "C:\development\Python\2_5_2\Lib\site-packages\matplotlib\legend.py",
line 197, in draw
self._update_positions(renderer)
File "C:\development\Python\2_5_2\Lib\site-packages\matplotlib\legend.py",
line 513, in _update_positions
l,b,w,h = get_tbounds(self.texts[-1])
File "C:\development\Python\2_5_2\Lib\site-packages\matplotlib\legend.py",
line 499, in get_tbounds
bboxa = bbox.inverse_transformed(self.get_transform())
File
"C:\development\Python\2_5_2\Lib\site-packages\matplotlib\transforms.py", line
478, in inverse_transformed
return Bbox(transform.inverted().transform(self.get_points()))
File
"C:\development\Python\2_5_2\Lib\site-packages\matplotlib\transforms.py", line
1338, in inverted
self._inverted = Affine2D(inv(mtx))
File "C:\development\Python\2_5_2\Lib\site-packages\numpy\linalg\linalg.py",
line 350, in inv
return wrap(solve(a, identity(a.shape[0], dtype=a.dtype)))
File "C:\development\Python\2_5_2\Lib\site-packages\numpy\linalg\linalg.py",
line 249, in solve
raise LinAlgError, 'Singular matrix'
numpy.linalg.linalg.LinAlgError: Singular matrix
Initially MPL plots a graph but when you try to interact with the widget(for
example resize) then the output is displayed and the MPL figure is not updated.
Everything works with Windows 32-bit. Linux 32-bit and 64-bit are working
correctly.
Any ideas would be helpful.
Thanks.
George.
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