Finished computeCentroids (not as vectorized as I'd like)
Implemented runkMeans, plotProgresskMeans, and plotDataPoints
Need to work on the realtime plotting (draw not behaving as I thought it would)
Finished k-means portion of exercise
Started PCA portion of exercise- decided to do it in a notebook instead.
Finishing up PCA, implemented the projection and recovery functions
porting displayData
no internet, need to look up the math rounding function for displayData
still working on display, not quite showing the faces correctly
forgot to save notebook before commit
Finished PCA exercise, not entirely happy with the greyscale.