Chebyshev polynomials of the first kind T_n are defined by the trigonometric identity T_n(cos θ) = cos(n θ), with closed forms T_0 = 1, T_1 = x, T_{n+1} = 2x T_n − T_{n-1}. Two defining properties: (i) orthogonality on [−1, 1] with weight…
Chebyshev polynomials of the first kind T_n are defined by the trigonometric identity T_n(cos θ) = cos(n θ), with closed forms T_0 = 1, T_1 = x, T_{n+1} = 2x T_n − T_{n-1}. Two defining properties: (i) orthogonality on [−1, 1] with weight…