Thanks Johan and Matthias, I was just wondering if there was a built-in way to do this in matplotlib. It seems like it would be a useful method to have.
Adit 2010/5/3 Johan Grönqvist <johan.gronqv...@gmail.com> > 2010-05-02 20:19, aditya bhargava skrev: > > Is there a straightforward way of plotting a vector in matplotlib? > > Suppose I want to plot the vector [1 2]'. If I pass this vector in to > > plot(), I get the line that passes through (0,1), (1,2). Instead I want > > the line that passes through (0,0),(1,2). > > > > I use pyplot.Arrow to visualize displacement fields. > > This is a snippet copied from the code I use (it sits in a loop over all > vectors I want to plot): > > > arr = plt.Arrow(x, y, dx, dy) > plt.gca().add_patch(arr) > > In your case, you would have (x, y) = (0, 0) and (dx, dy) = (1, 2). > > Regards > > Johan > > > > ------------------------------------------------------------------------------ > _______________________________________________ > Matplotlib-users mailing list > Matplotlib-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/matplotlib-users > -- wefoundland.com
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