People,
Help me, please.
*My code is:*
reset()
import pylab as pylab
T = 0.1
t = pylab.linspace(0,100-T,100/T)
y = pylab.sin(2*pi*0.2*t)
p = pylab.plot(x,y)
pylab.savefig('teste.png')
*
The error is:*
Traceback (click to the left for traceback)
...
TypeError: 'sage.symbolic.expression.Expression' object is not iterable
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/sage/sagenb/sage_notebook/worksheets/rfcard/0/code/26.py",
line 15, in <module>
p = pylab.plot(x,y)
File
"/home/sage/sage_install/sage/local/lib/python2.6/site-packages/matplotlib/pyplot.py",
line 2118, in plot
ret = gca().plot(*args, **kwargs)
File
"/home/sage/sage_install/sage/local/lib/python2.6/site-packages/matplotlib/axes.py",
line 3348, in plot
for line in self._get_lines(*args, **kwargs):
File
"/home/sage/sage_install/sage/local/lib/python2.6/site-packages/matplotlib/axes.py",
line 397, in _grab_next_args
for seg in self._plot_2_args(remaining, **kwargs):
File
"/home/sage/sage_install/sage/local/lib/python2.6/site-packages/matplotlib/axes.py",
line 301, in _plot_2_args
x, y, multicol = self._xy_from_xy(x, y)
File
"/home/sage/sage_install/sage/local/lib/python2.6/site-packages/matplotlib/axes.py",
line 217, in _xy_from_xy
bx = self.axes.xaxis.update_units(x)
File
"/home/sage/sage_install/sage/local/lib/python2.6/site-packages/matplotlib/axis.py",
line 969, in update_units
converter = munits.registry.get_converter(data)
File
"/home/sage/sage_install/sage/local/lib/python2.6/site-packages/matplotlib/units.py",
line 138, in get_converter
for thisx in x:
TypeError: 'sage.symbolic.expression.Expression' object is not iterable
Thank you!
--
Rafael Costa
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