prim.py

Created on January 14, 2025
772 Bytes
from math import sin, cos, exp, log

def primitive(f):
    """
    Renvoie la primitive d'une fonction courante.
    """
    primitives = {
        "x": "x^2/2",
        "1": "x",
        "x^2": "x^3/3",
        "sin(x)": "-cos(x)",
        "cos(x)": "sin(x)",
        "exp(x)": "exp(x)",
        "1/x": "log(x) (x > 0)",
        "a*x^n": "a*x^(n+1)/(n+1) (si n ≠ -1)"
    }
    return primitives.get(f, "Fonction non prise en charge")

# Interface utilisateur pour choisir une fonction
def main():
    print("Prim fonctions courantes")
    print("Fonc dispo: x, 1, x^2, sin(x), cos(x), exp(x), 1/x, a*x^n")
    print("Entrez fonction(ex:'x^2'):")
    f = input()
    result = primitive(f)
    print("Prim ", f, "est :", result)

# Lancer le programme
main()