Version 3.0.2
matplotlib

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Quiver Simple Demo

A simple example of a quiver plot with a quiverkey.

For more advanced options refer to Advanced quiver and quiverkey functions.

==================
Quiver Simple Demo
==================

A simple example of a `~.axes.Axes.quiver` plot with a `~.axes.Axes.quiverkey`.

For more advanced options refer to
:doc:`/gallery/images_contours_and_fields/quiver_demo`.
"""
import matplotlib.pyplot as plt
import numpy as np

X = np.arange(-10, 10, 1)
Y = np.arange(-10, 10, 1)
U, V = np.meshgrid(X, Y)

fig, ax = plt.subplots()
q = ax.quiver(X, Y, U, V)
ax.quiverkey(q, X=0.3, Y=1.1, U=10,
             label='Quiver key, length = 10', labelpos='E')

plt.show()
Traceback (most recent call last):
  File "/build/matplotlib-xz4j8t/matplotlib-3.1.2/examples/images_contours_and_fields/quiver_simple_demo.py", line 1
    ==================
    ^
SyntaxError: invalid syntax

References

The use of the following functions and methods is shown in this example:

import matplotlib
matplotlib.axes.Axes.quiver
matplotlib.pyplot.quiver
matplotlib.axes.Axes.quiverkey
matplotlib.pyplot.quiverkey

Keywords: matplotlib code example, codex, python plot, pyplot Gallery generated by Sphinx-Gallery