Correct formulas in Doc of Gaussian Process Kernels
Correct the Rational quadratic kernel and ExpSineSquare
kernel formulas.
Issue:
@@ -551,7 +551,7 @@ Only the isotropic variant where :math:`l` is a scalar is supported at the momen
The kernel is given by:
.. math::
- k(x_i, x_j) = \left(1 + \frac{d(x_i, x_j)^2}{2\alpha l^2}\right)^\alpha
+ k(x_i, x_j) = \left(1 + \frac{d(x_i, x_j)^2}{2\alpha l^2}\right)^{-\alpha}
The prior and posterior of a GP resulting from an RBF kernel are shown in
the following figure:
@@ -569,7 +569,7 @@ It is parameterized by a length-scale parameter :math:`l>0` and a periodicity pa
The kernel is given by:
.. math::
- k(x_i, x_j) = \text{exp}\left(-2 \text{sin}(\pi / p * d(x_i, x_j)) / l\right)^2
+ k(x_i, x_j) = \text{exp}\left(-2 \left(\text{sin}(\pi / p * d(x_i, x_j)) / l\right)^2\right)
The prior and posterior of a GP resulting from an ExpSineSquared kernel are shown in
the following figure:
