Implement 2D and 3D learners

[jbweston]

(original issue on GitLab)

opened by Anton Akhmerov (@anton-akhmerov) at 2017-07-26T17:30:21.645Z

Same as 1D, but sampling from a higher-dimensional parameter space in a way that is not reduced to consecutive samples from 1D cuts (although initially this may be a good strategy).

[jbweston]

originally posted by Anton Akhmerov (@anton-akhmerov) at 2017-10-27T13:08:08.314Z on GitLab

Closing because 2D learner is implemented, and generalization to 3D is a separate lower priority issue.