-3
votes
0answers
25 views

How do you use python to project a grid of pixels from a FITS file using pyFITS onto another grid by applying resampling between the pixels? [closed]

I want to setup grid on the sky by reading the header of a FITS file and figure out the right ascension (RA) and declination (DEC) each pixel corresponds to. Then for each pixel of the grid, figure ...
9
votes
3answers
1k views

Higher categories as data structures

Still wading through higher category theory. I find the subject a bit intimidating, not so much for technical reasons, but because I lack sufficient intuition as to the motivation(s)/heuristics one ...
1
vote
0answers
398 views

Cluster-preserving and distance-maximizing embedding into Hamming Space?

I have a set of data, each instance in the real $[0,1]^{d}$. However, it's actually all in a relatively small range around 0.5, clustered into classes in even smaller ranges. The actual origin of the ...