pykelihood.kernels.

polynomial

polynomial(X, a, b, c)

Polynomial kernel function.

\[y = a + b \cdot X + c \cdot X^2\]

Parameters:

• X (array-like) – Input data.

• a (float) – Constant term.

• b (float) – Coefficient for the linear term.

• c (float) – Coefficient for the quadratic term.

Returns:

Output of the polynomial kernel.

Return type:

array-like