{
“cells”: [
{

“cell_type”: “markdown”, “metadata”: {}, “source”: [

“# Quiver Plot”

]

}, {

“cell_type”: “code”, “execution_count”: 1, “metadata”: {}, “outputs”: [

{
“data”: {
“text/plain”: [

“<Figure size 640x480 with 3 Axes>”

]

}, “metadata”: {}, “output_type”: “display_data”

}

], “source”: [

“import numpy as npn”, “import matplotlib.pyplot as pltn”, “from matplotlib.animation import PillowWritern”, “import animatplot as ampn”, “n”, “n”, “x = np.linspace(0, 2 * np.pi, 10)n”, “y = np.linspace(0, 2 * np.pi, 5)n”, “t = np.linspace(0, 4.9, 25)n”, “n”, “timeline = amp.Timeline(t)n”, “n”, “X, Y, T = np.meshgrid(x, y, t)n”, “n”, “U = np.cos(X + T)n”, “V = np.sin(Y + T)n”, “n”, “ax = plt.axes(xlim=[-1, 7], ylim=[-1, 7])n”, “block1 = amp.blocks.Quiver(n”, “ X[:, :, 0], Y[:, :, 0], U, V, ax=ax, t_axis=2, units="inches", pivot="mid"n”, “)n”, “anim = amp.Animation([block1], timeline)n”, “n”, “anim.toggle()n”, “anim.timeline_slider()n”, “n”, “anim.save("quiver.gif", writer=PillowWriter(fps=10))n”, “plt.show()”

]

}, {

“cell_type”: “raw”, “metadata”: {

“raw_mimetype”: “text/restructuredtext”

}, “source”: [

“.. image:: quiver.gif”

]

}

], “metadata”: {

“celltoolbar”: “Raw Cell Format”, “kernelspec”: {

“display_name”: “Python 3”, “language”: “python”, “name”: “python3”

}, “language_info”: {

“codemirror_mode”: {

“name”: “ipython”, “version”: 3

}, “file_extension”: “.py”, “mimetype”: “text/x-python”, “name”: “python”, “nbconvert_exporter”: “python”, “pygments_lexer”: “ipython3”, “version”: “3.6.5”

}

}, “nbformat”: 4, “nbformat_minor”: 2

}