shogun-toolbox/shogun — pull request #1292 by van51 (2013-07-24 16:56:14+00:00)
Title: Quadratic support in HashedDenseFeatures

Checked results using a PolyKernel of d = 1 using the HashedDenseFeatures with quadratic and multiplying each cross term with sqrt(2), against a PolyKernel of d = 2 using DenseFeatures and got the same results.
https://gist.github.com/van51/6072287