Chebychev polynomial of the first type: \(T_n\left(\cos(\theta)\right) = \cos(n\theta)\).

Namespace: dsp

Prototype

static Poly<float> Chebychev_T(int n)

Description

Computed from the recursion: \[ T_n = 2 z \cdot T_{n-1} - T_{n-2} \] and: \[ T_0 = 1,\ T_1 = z \]

Example

Chebychev polynomial (first order, 7th degree)

See also

Chebychev_U(), window_chebychev()