tx and ty are translation. I think a and d are scale and b and c are some function of rotation. I have videos that are flipped and rotated using arbitrary matrices. How can I make them right-side-up ...

Basic linear algebra methods including basic matrix/vector operations, solution of linear systems of equations, eigenvalues, and singular values. Focus will be on applications of the methods on a ...

Here are some additions to the vector class in C++. This month, I continue our discussion of a C++ class suitable for doing math with vectors. As useful as this math is, things get even better when we ...