Imagine you are a 14-year-old kid again. You need to do this really difficult math exercise for tomorrow, but have no idea how to do it. What if you could just open an app on your phone, point your ...

We associate a sequence of Toeplitz matrices with the rational formal power series $T(z)$. An algorithm for solving linear equations with a Toeplitz matrix from this ...

When the letter you want to find is not on its own, you need to rearrange the equation and make your letter the subject of the equation before you can solve it. There are usually several ways to solve ...