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orthopoly[T] - Chebyshev polynomial (of the first kind)
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Parameters
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n
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non-negative integer
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x
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algebraic expression
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Description
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The T(n, x) function computes the nth Chebyshev polynomial of the first kind evaluated at x.
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These polynomials are orthogonal on the interval ( ) with respect to the weight function  . They satisfy:
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Chebyshev polynomials of the first kind satisfy the following recurrence relation:
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Examples
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>
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