Solving and printing the solution
| XSLPmaxim(sprob, ""); |
The XSLPmaxim and XSLPminim functions perform a non-linear maximization or minimization on the current problem. The second argument can be used to pass flags as defined in the Xpress NonLinear Reference Manual.
| XPRSwriteprtsol(mprob); |
The standard Xpress Optimizer solution print can be obtained by using the XPRSwriteprtsol function. The row and column activities and dual values can be obtained using the XPRSgetsol function.
In addition, you can use the XSLPgetvar function to obtain the values of SLP variables – that is, of variables which are in non-linear coefficients, or which have non-linear coefficients. If you are using cascading (see the Xpress NonLinear reference manual for more details) so that Xpress NonLinear recalculates the values of the dependent SLP variables at each SLP iteration, then the value from XSLPgetvar will be the recalculated value, whereas the value from XPRSgetsol will be the value from the LP solution (before recalculation).
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