The distinction between linear and nonlinear phenomena is everywhere in the sciences and engineering. But what exactly does it mean? Suppose that, without much effort, you can toss a tennis ball ...

Does math.net numerics have any methods to solve a non-linear system of equations F(x) = 0, namely Ax=b where A=A(x) and/or b=b(x)? The system of course must be solved iteratively and I see there are ...