Covariance function that measures similarity between two points in some input space.
Matern covariance with v=5/2
Implementation based 'http://www.gaussianprocess.org/gpml/code/matlab/doc/index.html'
Implementation based 'http://www.gaussianprocess.org/gpml/code/matlab/doc/index.html'
Squared Exponential covariance function with isotropic distance measure. The covariance function is parameterized as:
k(xp,xq) = sf2 * exp(-(xp - xq)'*inv(P)*(xp - x^q)/2)
where the P matrix is ell2 times the unit matrix and sf2 is the signal variance.
Copyright (c) by Carl Edward Rasmussen and Hannes Nickisch, 2010-09-10.
- log of signal standard deviation
- vector of log of length scale standard deviation
Implementation based 'http://www.gaussianprocess.org/gpml/code/matlab/doc/index.html'
Implementation based 'http://www.gaussianprocess.org/gpml/code/matlab/doc/index.html'
Squared Exponential covariance function with isotropic distance measure. The covariance function is parameterized as:
k(xp,xq) = sf2 * exp(-(xp - xq)'*inv(P)*(xp - x^q)/2)
where the P matrix is ell2 times the unit matrix and sf2 is the signal variance.
Copyright (c) by Carl Edward Rasmussen and Hannes Nickisch, 2010-09-10.
- log of signal standard deviation
- log of length scale standard deviation
Matern covariance with v=5/2
Implementation based 'http://www.gaussianprocess.org/gpml/code/matlab/doc/index.html'
- log of signal standard deviation
- log of length scale standard deviation