matplotlib apparently can't plot numeric arrays with shape
> (x,1). Check the code below.
> This is an important drawback because for some matrix
> operations, such as concatenation it is necessary to
> specify if the vector is a line or a column, and these
> vector can't be plotted.
Try adding the following two lines to matplotlib/lines.py on 144 in
the function set_data
self._x.shape = len(self._x),
self._y.shape = len(self._y),
Let me know if that helps.
> I think this happens for the same reasons matplotlib can't
> plot matrices as a multiline plot like matlab. IMHO, the
> plot command should allow for plotting matrices
> line-by-line like matlab, it is very useful.