quadratic⚓︎ Descriptive description. g(x) ⚓︎ Equality constraint sum(x) - (n + 1) = 0. h(x) ⚓︎ Inequality constraint -x[0] <= 0. quadratic(x, *args, **kwargs) ⚓︎ Quadratic objective function \[ f(x) = ||x - b||^2_A \]