From 5ac45bd805d5592c515f2964313d454b59e3da6c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?F=C3=A9lix=20MARQUET?=
 <72651575+BreizhHardware@users.noreply.github.com>
Date: Fri, 28 Mar 2025 16:24:07 +0100
Subject: [PATCH] update electron trajectory simulation: increase number of
 steps and correct position_y_exact calculation

---
 TP Phyisque Particule/Exercice 3.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/TP Phyisque Particule/Exercice 3.py b/TP Phyisque Particule/Exercice 3.py
index 99356c3..6b0a4f1 100644
--- a/TP Phyisque Particule/Exercice 3.py	
+++ b/TP Phyisque Particule/Exercice 3.py	
@@ -17,7 +17,7 @@ temps = [0]
 position_x = [0]
 position_y = [0]
 
-n = 30
+n = 50
 
 # Calcul des vitesses et positions
 for j in range(1, n):
@@ -37,7 +37,7 @@ for j in range(1, n):
 omega = q * B / m
 R = m * V0x / (q * B)
 position_x_exact = [R * np.sin(omega * t) for t in temps]
-position_y_exact = [R * (1 - np.cos(omega * t)) for t in temps]
+position_y_exact = [-R * (1 - np.cos(omega * t)) for t in temps]
 
 # Tracé de la trajectoire
 plt.figure(figsize=(10, 6))