I'm trying to understand how the quiver function in the Matplotlib module works. Supposedly it allows to visualize graphically the values of two arrays, for example horizontal and vertical velocities. I have the following very simple example, but I show it just to see if you can help me to find out what I'm not doing well: x = np.linspace(0,1,11) y = np.linspace(1,0,11) u = v = np.zeros((11,11)) u[5,5] = 0.2 plt.quiver(x, y, u, v) The code produces the following figure: As you can see, the arrow is not an arrow, but a line and it is longer than 0.2. My intention is to get an arrow of length 0.2 and I thought I could do it using quiver. Is it possible? Or should I better use another command? Continue reading...
