Flutterby™! : Random ramblings

I need to get a diary going so I can feel better about venting and spewing in self-indulgent ways. Spent the weekend trying to understand Principal Component Analysis, struggling through Eigenvalues and Eigenvectors, when I opened Numerical Recipes in C, looked at the Jacobi method for solving the Eigen* problem and realized that I could just combine several steps in the analysis and avoid a whole bunch of the math (although I'm probably doing all the same arithmetic). It's still going to be roughly O(n³), but I'll get the critical information out in the order that I care about it, and since the whole point of this is throwing away the low information axiis, that could reduce one of the terms from a few thousands to two or three.

And I need to work on my flirting skills, especially as a couple, 'cause Ahlia at Alfy's is cuuuuuute. And as always, dinner at Alfy's was very enjoyable.