Recent content by Basil4000

I just read your first reply again. I get it now. I was pretty tired last night. Thanks a lot!

Right, that's just sloppyness on my part typing that out. I haven't learned anything about inner products yet. Is there a way to look at this differently?

Homework Statement If A is positive definite, show that ## A = C C^T ## where ## C ## has orthogonal columns. The Attempt at a Solution So, I've got the first part figured out. Because ## A ## is symmetric, an orthogonal matrix ## P ## exists such that ## P^TA P = D =...