Refactor

Author: cfgnunes

integration.py

@@ -1,7 +1,7 @@
 """Methods for numerical integration."""
 
 
-def simpson(f, b, a, n):
+def simpson(f, a, b, n):
     """Calculate the integral from 1/3 Simpson's Rule.
 
     Args:
@@ -29,7 +29,7 @@ def simpson(f, b, a, n):
     return [xi]
 
 
-def trapezoidal(f, b, a, n):
+def trapezoidal(f, a, b, n):
     """Calculate the integral from the Trapezoidal Rule.
 
     Args:

main.py

@@ -423,7 +423,7 @@ def f(x):
     print(f"b = {b}")
     print(f"n = {n}")
 
-    [xi] = integration.trapezoidal(f, b, a, n)
+    [xi] = integration.trapezoidal(f, a, b, n)
 
     print("Output:")
     print(f"xi = {xi:.5f}")
@@ -462,7 +462,7 @@ def f(x):
     print(f"b = {b}")
     print(f"n = {n}")
 
-    [xi] = integration.simpson(f, b, a, n)
+    [xi] = integration.simpson(f, a, b, n)
 
     print("Output:")
     print(f"xi = {xi:.5f}")