# -*- coding: utf-8 -*-
"""
Created on Mon Nov 17 15:19:38 2025

@author: François Coulombeau
"""
import numpy as np
import matplotlib.pyplot as plt

T = np.linspace(-2.0,2.0,2000)
X = np.cosh(T)
Y = np.sinh(T)

plt.plot(X,Y)
plt.axis("scaled")