trace_struct¶

Ipopt Trace Information¶

Syntax¶

CppAD::mixed::trace_struct trace

Prototype¶

   struct trace_struct {
      size_t iter;
      double obj_value;
      double inf_pr;
      double inf_du;
      double mu;
      double d_norm;
      double regularization_size;
      double alpha_du;
      double alpha_pr;
      size_t ls_trials;
      bool   restoration;
   };

iter¶

See ipopt trace iter .

obj_value¶

See ipopt trace objective .

inf_pr¶

See ipopt trace inf_pr .

inf_du¶

See ipopt trace inf_du .

mu¶

See ipopt trace lg(mu) .

d_norm¶

See ipopt trace ||d|| .

regularization_size¶

See ipopt trace lg(rg) .

alpha_du¶

See ipopt trace alpha_du .

alpha_pr¶

See ipopt trace alpha_pr .

ls_trials¶

See ipopt trace ls .

restoration¶

Is ipopt currently in restoration mode.