Re: [Matplotlib-users] bug in plot

[John H. <jdh...@ac...>]

>>>>> "Flavio" == Flavio Codeco Coelho <fcc...@fi...> writes:

    Flavio> matplotlib apparently can't plot numeric arrays with shape
    Flavio> (x,1). Check the code below.

    Flavio> This is an important drawback because for some matrix
    Flavio> operations, such as concatenation it is necessary to
    Flavio> specify if the vector is a line or a column, and these
    Flavio> 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.

    Flavio> I think this happens for the same reasons matplotlib can't
    Flavio> plot matrices as a multiline plot like matlab. IMHO, the
    Flavio> plot command should allow for plotting matrices
    Flavio> line-by-line like matlab, it is very useful.

Agreed,
JDH