complex.py

Created on May 18, 2021

894 Bytes

Donne les informations importantes sur un nombre complexe.

from math import *
# from ion import keydown
import matplotlib.pyplot as plt

#z = x + iy
print("z = x + iy")
x = float(eval(input("x = ")).real)
y = float(eval(input("y = ")).real)

z = complex(x, y)
alge = round(z.real, 2) + round(z.imag, 2) * 1j
r = round(sqrt(x*x + y*y), 2)
theta = round((2*atan((z.imag)/(z.real + r)).real)/pi, 2)

print("\nz = {}\nConjugué de z = {}".format(alge, alge.conjugate()))
print("Forme exponentielle :\nz = {}e^i{}pi".format(r, theta))
print("\nPresse OK pour la vue graphique")

plt.scatter(alge.real, alge.imag, c="b")
plt.scatter(0, 0, c='b')
# plt.scatter(0,0,s=100000, facecolors="none", edgecolors="r")
plt.grid()
plt.plot([0, alge.real], [0, alge.imag], color="b")
plt.plot([-alge.real-1, alge.real+1], [0, 0], color="r")
plt.plot([0, 0], [-alge.imag-1, alge.imag+1], color="r")

# plt.autoscale(False)

plt.show()
# if keydown(KEY_OK):