Analog computers are systems that perform computations by manipulating physical quantities such as electrical current, that map math variables, instead of representing information using abstraction ...

As users have come to expect from Wolfram products, the Wolfram Linear Algebra Course Assistant is a wonderful resource for students of mathematics. Linear algebra is (unsurprisingly) the focus of ...

My understanding of linear independance is that if you have a unique solution after rref, it's linear independant. If you have multiple solutions or no solution, it's not linear ...