Loss Functions for Ordinal regression
Note: this post contains a fair amount of LaTeX, if you don't visualize the math correctly come to its original location
In …
Low rank approximation
A little experiment to see what low rank approximation looks like. These are the best rank-k approximations (in the Frobenius norm) to the a natural image for increasing values of k and an original image of rank 512.
Python code can be found here. GIF animation made using ImageMagic's convert …