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There are three methods that find approximately the roots of a non-linear function

NeutonMethod.py

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+import math
+
+def newton(function,function1,startingInt): #function is the f(x) and function1 is the f'(x)
+  x_n=startingInt
+  while True:
+      x_n1=x_n-function(x_n)/function1(x_n)
+      if abs(x_n-x_n1)<0.00001:
+          return x_n1
+      x_n=x_n1
+      
+def f(x):
+    return math.pow(x,3)-2*x-5
+
+def f1(x):
+    return 3*math.pow(x,2)-2
+
+print(newton(f,f1,3))