# -*- coding: utf-8 -*-
"""
Created on Mon Sep 28 16:40:54 2026

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

X = np.linspace(-3,2,2000)
Y = np.exp(X)
plt.plot(X,Y)

X = np.linspace(np.exp(-3),np.exp(2),2000)
Y = np.log(X)
plt.plot(X,Y)

plt.axis("scaled")

X = np.linspace(-3,np.exp(2),10)
plt.plot(X,X,":")

plt.figure()

X1 = np.linspace(0,2,500)
Y1 = X1**2
X2 = np.linspace(0,4,500)
Y2 = X2**0.5

plt.plot(X1,Y1)
plt.plot(X2,Y2)
plt.plot(X2,X2,":")
plt.axis("scaled")