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# -*- coding: utf-8 -*-
"""
Created on Fri Jul 29 09:40:11 2022
@author: yanik
"""
import pylatex
import numpy as np
import matplotlib.pyplot as plt
N = np.array([0, 0])
V = np.array([1, 4])
Z = np.array([5, 5])
VZ = Z-V
vzScale = 0.4
a = [N, N, V]
b = [V, Z, vzScale*VZ]
X = np.array([i[0] for i in a])
Y = np.array([i[1] for i in a])
U = np.array([i[0] for i in b])
W = np.array([i[1] for i in b])
xlim = 6
ylim = 6
fig, ax = plt.subplots(1,1)
ax.set_xlim([0, xlim]) #<-- set the x axis limits
ax.set_ylim([0, ylim]) #<-- set the y axis limits
#plt.figure(figsize=(xlim, ylim))
ax.quiver(X, Y, U, W, angles='xy', scale_units='xy', scale=1, headwidth=5, headlength=7, headaxislength=5.5)
ax.plot([V[0], (VZ+V)[0]], [V[1], (VZ+V)[1]], 'k--')
ax.plot(np.vstack([V, Z])[:, 0], np.vstack([V, Z])[:,1], 'bo', markersize=10)
ax.set_xlabel("x", size=20)
ax.set_ylabel("y", size=20)
ax.text(2.5, 4.5, "Visierlinie", size=20, rotation=10)
plt.rcParams.update({
"text.usetex": True,
"font.family": "serif",
"font.serif": ["New Century Schoolbook"],
})
ax.text(1.6, 4.3, r"$\dot{v}$", size=20)
ax.text(0.65, 3.9, r"$V$", size=20, c='b')
ax.text(5.15, 4.85, r"$Z$", size=20, c='b')
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