I suspect most people just reference a paper or book and use the letters to match the source ( x/y/n/m/etc. ) If you do this (and I'll certainly admit that I d

I suspect most people just reference a paper or book and use the letters to match the source ( x/y/n/m/etc. ) If you do this (and I'll certainly admit that I do this as well) make sure you link to the paper in question somewhere in either comments or the documentation so that future developers can find the canonical reference to what the variables mean.