I am preparing the course for next week, but:
sage: plot(sin x, (-1,1))
------------------------------------------------------------
File "<ipython console>", line 1
plot(sin x, (-Integer(1),Integer(1)))
^
SyntaxError: invalid syntax
sage: plot(sin(x), (-1,1))
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
/home/martin/sage-3.1.1/<ipython console> in <module>()
/home/martin/sage-3.1.1/local/lib/python2.5/site-packages/IPython/Prompts.py in
__call__(self, arg)
533
534 # and now call a possibly user-defined print mechanism
--> 535 manipulated_val = self.display(arg)
536
537 # user display hooks can change the variable to be stored
in
/home/martin/sage-3.1.1/local/lib/python2.5/site-packages/IPython/Prompts.py in
_display(self, arg)
559 return IPython.generics.result_display(arg)
560 except TryNext:
--> 561 return self.shell.hooks.result_display(arg)
562
563 # Assign the default display method:
/home/martin/sage-3.1.1/local/lib/python2.5/site-packages/IPython/hooks.py in
__call__(self, *args, **kw)
132 #print "prio",prio,"cmd",cmd #dbg
133 try:
--> 134 ret = cmd(*args, **kw)
135 return ret
136 except ipapi.TryNext, exc:
/home/martin/sage-3.1.1/local/lib/python2.5/site-packages/IPython/hooks.py in
result_display(self, arg)
160
161 if self.rc.pprint:
--> 162 out = pformat(arg)
163 if '\n' in out:
164 # So that multi-line strings line up with the left column
of
/home/martin/sage-3.1.1/local/lib/python2.5/pprint.py in pformat(self, object)
109 def pformat(self, object):
110 sio = _StringIO()
--> 111 self._format(object, sio, 0, 0, {}, 0)
112 return sio.getvalue()
113
/home/martin/sage-3.1.1/local/lib/python2.5/pprint.py in _format(self, object,
stream, indent, allowance, context, level)
127 self._readable = False
128 return
--> 129 rep = self._repr(object, context, level - 1)
130 typ = _type(object)
131 sepLines = _len(rep) > (self._width - 1 - indent - allowance)
/home/martin/sage-3.1.1/local/lib/python2.5/pprint.py in _repr(self, object,
context, level)
193 def _repr(self, object, context, level):
194 repr, readable, recursive = self.format(object, context.copy(),
--> 195 self._depth, level)
196 if not readable:
197 self._readable = False
/home/martin/sage-3.1.1/local/lib/python2.5/pprint.py in format(self, object,
context, maxlevels, level)
205 and whether the object represents a recursive construct.
206 """
--> 207 return _safe_repr(object, context, maxlevels, level)
208
209
/home/martin/sage-3.1.1/local/lib/python2.5/pprint.py in _safe_repr(object,
context, maxlevels, level)
290 return format % _commajoin(components), readable, recursive
291
--> 292 rep = repr(object)
293 return rep, (rep and not rep.startswith('<')), False
294
/home/martin/sage-3.1.1/sage_object.pyx in
sage.structure.sage_object.SageObject.__repr__
(sage/structure/sage_object.c:795)()
/home/martin/sage-3.1.1/local/lib/python2.5/site-packages/sage/plot/plot.py in
_repr_(self)
739 """
740 if SHOW_DEFAULT:
--> 741 self.show()
742 return ''
743 else:
/home/martin/sage-3.1.1/local/lib/python2.5/site-packages/sage/plot/plot.py in
show(self, xmin, xmax, ymin, ymax, figsize, filename, dpi, axes, axes_labels,
frame, fontsize, aspect_ratio, gridlines, gridlinesstyle, vgridlinesstyle,
hgridlinesstyle)
1363 gridlinesstyle=gridlinesstyle,
1364 vgridlinesstyle=vgridlinesstyle,
-> 1365 hgridlinesstyle=hgridlinesstyle)
1366 os.system('%s %s 2>/dev/null 1>/dev/null
&'%(sage.misc.viewer.browser(), filename))
1367
/home/martin/sage-3.1.1/local/lib/python2.5/site-packages/sage/plot/plot.py in
save(self, filename, xmin, xmax, ymin, ymax, figsize, figure, sub, savenow,
dpi, axes, axes_labels, fontsize, frame, verify, aspect_ratio, gridlines,
gridlinesstyle, vgridlinesstyle, hgridlinesstyle)
1514 if isinstance(g, GraphicPrimitive_MatrixPlot):
1515 matrixplot = True
-> 1516 g._render_on_subplot(subplot)
1517
1518 #adjust the xy limits and draw the axes:
/home/martin/sage-3.1.1/local/lib/python2.5/site-packages/sage/plot/plot.py in
_render_on_subplot(self, subplot)
2064 del options['thickness']
2065 del options['rgbcolor']
-> 2066 p = patches.lines.Line2D(self.xdata, self.ydata, **options)
2067 options = self.options()
2068 a = float(options['alpha'])
AttributeError: 'module' object has no attribute 'lines'
What am I doing wrong?
(I won't have *fast* internet connection until monday next week)
Martin
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