Status: Valid
Owner: ----
CC: [email protected]
Labels: Type-Defect Priority-Medium Plotting
New issue 3494 by [email protected]: plot_implicit fails for y - cos(pi/x)
http://code.google.com/p/sympy/issues/detail?id=3494
In [4]: plot_implicit(y - cos(pi/x), (x, 0, 1))
---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
<ipython-input-4-239391b74ecd> in <module>()
----> 1 plot_implicit(y - cos(pi/x), (x, 0, 1))
/Users/aaronmeurer/Documents/Python/sympy/sympy/sympy/plotting/plot_implicit.pyc
in
plot_implicit(expr, *args, **kwargs)
352 p = Plot(series_argument, **kwargs)
353 if show:
--> 354 p.show()
355 return p
/Users/aaronmeurer/Documents/Python/sympy/sympy/sympy/plotting/plot.pyc in
show(self)
193 self._backend.close()
194 self._backend = self.backend(self)
--> 195 self._backend.show()
196
197 def save(self, path):
/Users/aaronmeurer/Documents/Python/sympy/sympy/sympy/plotting/plot.pyc in
show(self)
941
942 def show(self):
--> 943 self.process_series()
944 #TODO after fixing
https://github.com/ipython/ipython/issues/1255
945 # you can uncomment the next line and remove the
pyplot.show() call
/Users/aaronmeurer/Documents/Python/sympy/sympy/sympy/plotting/plot.pyc in
process_series(self)
854 self.ax.spines['left'].set_smart_bounds(False)
855 self.ax.spines['bottom'].set_smart_bounds(False)
--> 856 points = s.get_raster()
857 if len(points) == 2:
858 #interval math plotting
/Users/aaronmeurer/Documents/Python/sympy/sympy/sympy/plotting/plot_implicit.pyc
in
get_raster(self)
75 yinterval = interval(self.start_y, self.end_y)
76 try:
---> 77 temp = func(xinterval, yinterval)
78 except AttributeError:
79 if self.use_interval_math:
<string> in <lambda>(x, y)
TypeError: unsupported operand type(s) for /: 'Pi' and 'interval'
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