serie 04

Kuengjoe_S04/Kuengjoe_S04_Aufg2.py

@@ -0,0 +1,22 @@
+import numpy as np
+
+def lagrange_int(x, y, x_int):
+    s = 0
+
+    for i in range(len(x)):
+        L = 1
+        for j in range(len(x)):
+            if i != j:
+                L = L * (x_int - x[j]) / (x[i] - x[j])
+        s = s + y[i] * L
+
+    return s
+
+
+x = [0, 2500, 5000, 10000]
+y = [1013, 747, 540, 226]
+x_int = 3750
+
+y_int = lagrange_int(x, y, x_int)
+
+print("y_int =", y_int)