diff options
Diffstat (limited to 'macros/symphony.sci')
| -rw-r--r-- | macros/symphony.sci | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/macros/symphony.sci b/macros/symphony.sci index d465b90..686eb5a 100644 --- a/macros/symphony.sci +++ b/macros/symphony.sci @@ -29,11 +29,11 @@ function [xopt,fopt,status,output] = symphony (varargin) // conLB : a vector of double, represents lower bounds of the constraints. // conUB : a vector of double, represents upper bounds of the constraints // objSense : The sense (maximization/minimization) of the objective. Use 1(sym_minimize ) or -1 (sym_maximize) here. - // options : a list containing the the parameters to be set. + // options : a list containing the parameters to be set. // xopt : a vector of double, the computed solution of the optimization problem. - // fopt : a double, the function value at x. - // status : status flag returned from symphony. 227 is optimal, 228 is Time limit exceeded, 230 is iteration limit exceeded. - // output : The output data structure contains detailed information about the optimization process. This version only contains number of iterations + // fopt : a double, the value of the function at x. + // status : status flag returned from symphony.See below for details. + // output : The output data structure contains detailed information about the optimization process. See below for details. // // Description // Search the minimum or maximum of a constrained mixed integer linear programming optimization problem specified by : @@ -50,6 +50,22 @@ function [xopt,fopt,status,output] = symphony (varargin) // // The routine calls SYMPHONY written in C by gateway files for the actual computation. // + // The status allows to know the status of the optimization which is given back by Ipopt. + // <itemizedlist> + // <listitem>status=227 : Optimal Solution Found </listitem> + // <listitem>status=228 : Maximum CPU Time exceeded.</listitem> + // <listitem>status=229 : Maximum Number of Node Limit Exceeded.</listitem> + // <listitem>status=230 : Maximum Number of Iterations Limit Exceeded.</listitem> + // </itemizedlist> + // + // For more details on status see the symphony documentation, go to http://www.coin-or.org/SYMPHONY/man-5.6/ + // + // The output data structure contains detailed informations about the optimization process. + // It has type "struct" and contains the following fields. + // <itemizedlist> + // <listitem>output.iterations: The number of iterations performed during the search</listitem> + // </itemizedlist> + // // Examples // //Reference: Westerberg, Carl-Henrik, Bengt Bjorklund, and Eskil Hultman. "An application of mixed integer programming in a Swedish steel mill." Interfaces 7, no. 2 (1977): 39-43. // // Objective function @@ -179,6 +195,7 @@ function [xopt,fopt,status,output] = symphony (varargin) A = []; conLB = []; conUB = []; + options = list(); nbVar = varargin(1); nbCon = varargin(2); |