From 21dca3cb9c30d6eed5a5925e561cb6ca934e5289 Mon Sep 17 00:00:00 2001
From: iliya <iliya.saroukha@hes-so.ch>
Date: Wed, 1 Nov 2023 22:43:46 +0100
Subject: [PATCH] feat: drawing evaluation point on taylor polynomial
---
serie_taylor/revision_part_b.py | 36 +++++++++++++++++++--------------
1 file changed, 21 insertions(+), 15 deletions(-)
diff --git a/serie_taylor/revision_part_b.py b/serie_taylor/revision_part_b.py
index 8e494d4..cd4123a 100644
--- a/serie_taylor/revision_part_b.py
+++ b/serie_taylor/revision_part_b.py
@@ -33,18 +33,24 @@ def T(x: float, a: float) -> float:
if __name__ == "__main__":
- eval_point = 2
- x_axis = np.arange(-5, 9, 0.1)
-
- print(f"Zéros de la fonction f = {iter_bisection(4, 8, f, True)}")
-
- # plt.figure(figsize=(8, 6))
- # plt.plot(x_axis, f(x_axis), label='f(x) = sin(x) + exp(-x) / 10')
- # plt.plot(x_axis, T(x_axis, eval_point),
- # label='Polynôme de Taylor de degré 5')
- # plt.legend()
- # plt.xlabel('x')
- # plt.ylabel('y')
- # plt.title('Polynôme de Taylor de degré 5 pour f(x)')
- # plt.grid(True)
- # plt.show()
+ x_eval_point = 2
+ start = -5
+ stop = 9
+ x_axis = np.arange(start, stop, 0.01)
+ y_eval_point = f(x_eval_point)
+
+ print(f"Zéros de la fonction f = {iter_bisection(-4, -2, f, True)}")
+
+ plt.figure(figsize=(8, 6))
+ plt.xlim(start, stop)
+ plt.ylim(-5, 5)
+ plt.plot(x_axis, f(x_axis), label='f(x) = sin(x) + exp(-x) / 10')
+ plt.plot(x_axis, T(x_axis, x_eval_point),
+ label='Polynôme de Taylor de degré 5')
+ plt.plot(x_eval_point, y_eval_point, marker="o", markerfacecolor="purple")
+ plt.legend()
+ plt.xlabel('x')
+ plt.ylabel('y')
+ plt.title('Polynôme de Taylor de degré 5 pour f(x)')
+ plt.grid(True)
+ plt.show()
--
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