- #1
squenshl
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Homework Statement
Let f(x) = cos(pi*x), 0 < x < 1. Find a quartic approximation to f(x):
By solving the continuous least squares problem using Chebyshev polynomials.
By solving the continuous least squares problem using Legendre polynomials.
Homework Equations
The Attempt at a Solution
For Chebyshev polynomials the interval is [-1,1] but my interval is [0,1]. How do I convert [0,1] to [-1,1] (or the other way around) and where do I go from there.