IsotropicMixin¶
- class probnum.randprocs.covfuncs.IsotropicMixin¶
Bases:
ABC
Mixin for isotropic covariance functions.
An isotropic covariance function only depends on the norm of the difference of the arguments, i.e.
\[k(x_0, x_1) = k(\lVert x_0 - x_1 \rVert).\]Hence, all isotropic covariance functions are stationary.