Midpoint Tangent, Endpoint Interpolation, and Linear Least Squares

This simulation plots a cubic function and then compares three different ways of approximating that function (over a specified interval) with a line.

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This example is from the Algebraic Approximations chapter of Ultimate Electronics Book. It compares three types of approximations to a function over a range x=3 to x=5.

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Midpoint Tangent, Endpoint Interpolation, and Linear Least Squares PUBLIC