This program creates data point x from 1 to 10 and y as function of reverse of x. This program creates a tuple of coordinates of x and y. The U and V are vectors for -Y and X data. This program plots ...

import matplotlib.pyplot as plt import numpy as np x = 1 y = 0 ux = 0 uy = 1 ax = plt.subplot() ax.quiver(x, y, ux, uy, angles='xy') plt.show() I would expect this to plot a single arrow, with the ...