Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Linear programming. Dual problem, Simplex algorithm, Optimization (mathematics), Nonlinear programming, Quadratic programming, Leonid Kantorovich, Shadow price, MPS (format), Job-shop problem, Linear-fractional programming, Covering problem, Linear programming relaxation, Fourier Motzkin elimination, Approximation algorithm, Vertex cover.