Fix my silly mistake (no reevaluation of functions)

2026-03-14 17:00:05 +01:00 · 2026-01-18 14:36:24 +01:00
parent 2765f49320
commit 8d8fc8bf7b
1 changed files with 2 additions and 4 deletions
--- a/semester3/numcs/parts/03_zeros/04_newton-one-d.tex
+++ b/semester3/numcs/parts/03_zeros/04_newton-one-d.tex
@@ -24,10 +24,8 @@ falls $F(x^*) = 0$ und $F^(x^*) \neq 0$
 def newton_method(f, df, x: float, tol=1e-12, maxIter=100):
    """ Use Newton's method to find zeros, requires derivative of f """
    k = 0
-    fx = f(x)
-    dfx = df(x)
-    while (np.abs(fx) > tol and k < maxIter):
-        x -= fx / dfx
+    while (np.abs(f(x)) > tol and k < maxIter):
+        x -= f(x) / df(x)
        k += 1
    
    return x, k