OptimizationState

struct OptimizationState{X, O, G, H, S}

Stores the optimization run's state at the current iteration and is passed to the callback function as the first argument.

Fields

• iter: current iteration
• u: current solution
• objective: current objective value
• gradient: current gradient
• hessian: current hessian
• original: if the solver has its own state object then it is stored here