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Numerical Integration using Rectangles, the Trapezoidal Rule, or Simpson's Rule

This Demonstration compares the results of integration of several elementary functions using three methods. The exact value is the best approximation as computed by Mathematica, contrary to the approximate value computed with the method selected from the buttons.

Simpson's method works only with odd number of points; the other two methods require at least two points.

Contributed by: Bartosz Naskrecki

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Numerical Integration (Wolfram MathWorld)

Trapezoidal Rule (Wolfram MathWorld)

Simpson's Rule (Wolfram MathWorld)

"Numerical Integration using Rectangles, the Trapezoidal Rule, or Simpson's Rule" from The Wolfram Demonstrations Project
http://demonstrations.wolfram.com/NumericalIntegrationUsingRectanglesTheTrapezoidalRuleOrSimps/

Contributed by: Bartosz Naskrecki

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