feat: testing with another example

derive_and_min-max.py

@@ -7,14 +7,28 @@ def f(x: Dual_Number):
     return ((x * x - 1) * Dual_Number.exp(x - 1)).d
 
 
+def g(x: Dual_Number):
+    return (Dual_Number.sin(x * x) + Dual_Number.exp(x + 3) *
+            Dual_Number.cos(5 - x)).d
+
+
 def dfdx(x: float):
     return f(Dual_Number(x, 1))
 
 
+def dgdx(x: float):
+    return g(Dual_Number(x, 1))
+
+
 if __name__ == "__main__":
+    # Example for f(x)
     start = -6
     stop = -1
 
+    # Example for g(x)
+    # start = -2
+    # stop = 0.1
+
     print("----------------------------------------------")
     print(f"Rec bisection = {rec_bisection(start, stop, dfdx, False)}")
     print("----------------------------------------------")