The idea is that you follow this with a math Linear Algebra textbook. There is a recommended textbook, but any will do. I am not a mathematician, and there is n

The idea is that you follow this with a math Linear Algebra textbook. There is a recommended textbook, but any will do. I am not a mathematician, and there is not enough space in a blog post do develop everything step by step anyway. This should be a math->programming link, not a self-contained book.