The MOSEK command line tool Version 7.0 (Revision 141)
The MOSEK command line tool. Version 7.0 ... - Documentation The MOSEK command line tool. Version 7.0 ... - Documentation
180 CHAPTER 9. PARAMETERS 9.2.164 MSK IPAR SIM SCALING METHOD Corresponding constant: MSK IPAR SIM SCALING METHOD Description: Controls how the problem is scaled before a simplex optimizer is used. Possible values: • MSK SCALING METHOD FREE The optimizer chooses the scaling heuristic. • MSK SCALING METHOD POW2 Scales only with power of 2 leaving the mantissa untouched. Default value: MSK SCALING METHOD POW2 9.2.165 MSK IPAR SIM SOLVE FORM Corresponding constant: MSK IPAR SIM SOLVE FORM Description: Controls whether the primal or the dual problem is solved by the primal-/dual- simplex optimizer. Possible values: • MSK SOLVE DUAL The optimizer should solve the dual problem. • MSK SOLVE FREE The optimizer is free to solve either the primal or the dual problem. • MSK SOLVE PRIMAL The optimizer should solve the primal problem. Default value: MSK SOLVE FREE 9.2.166 MSK IPAR SIM STABILITY PRIORITY Corresponding constant: MSK IPAR SIM STABILITY PRIORITY Description: Controls how high priority the numerical stability should be given. Possible Values: Any number between 0 and 100. Default value: 50
9.2. MSKIPARAME: INTEGER PARAMETERS 181 9.2.167 MSK IPAR SIM SWITCH OPTIMIZER Corresponding constant: MSK IPAR SIM SWITCH OPTIMIZER Description: The simplex optimizer sometimes chooses to solve the dual problem instead of the primal problem. This implies that if you have chosen to use the dual simplex optimizer and the problem is dualized, then it actually makes sense to use the primal simplex optimizer instead. If this parameter is on and the problem is dualized and furthermore the simplex optimizer is chosen to be the primal (dual) one, then it is switched to the dual (primal). Possible values: • MSK OFF Switch the option off. • MSK ON Switch the option on. Default value: MSK OFF 9.2.168 MSK IPAR SOL FILTER KEEP BASIC Corresponding constant: MSK IPAR SOL FILTER KEEP BASIC Description: If turned on, then basic and super basic constraints and variables are written to the solution file independent of the filter setting. Possible values: • MSK OFF Switch the option off. • MSK ON Switch the option on. Default value: MSK OFF 9.2.169 MSK IPAR SOL FILTER KEEP RANGED Corresponding constant: MSK IPAR SOL FILTER KEEP RANGED Description: If turned on, then ranged constraints and variables are written to the solution file independent of the filter setting.
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180 CHAPTER 9. PARAMETERS<br />
9.2.164 MSK IPAR SIM SCALING METHOD<br />
Corresponding constant:<br />
MSK IPAR SIM SCALING METHOD<br />
Description:<br />
Controls how the problem is scaled before a simplex optimizer is used.<br />
Possible values:<br />
• MSK SCALING METHOD FREE <strong>The</strong> optimizer chooses the scaling heuristic.<br />
• MSK SCALING METHOD POW2 Scales only with power of 2 leaving the mantissa untouched.<br />
Default value:<br />
MSK SCALING METHOD POW2<br />
9.2.165 MSK IPAR SIM SOLVE FORM<br />
Corresponding constant:<br />
MSK IPAR SIM SOLVE FORM<br />
Description:<br />
Controls whether the primal or the dual problem is solved by the primal-/dual- simplex optimizer.<br />
Possible values:<br />
• MSK SOLVE DUAL <strong>The</strong> optimizer should solve the dual problem.<br />
• MSK SOLVE FREE <strong>The</strong> optimizer is free to solve either the primal or the dual problem.<br />
• MSK SOLVE PRIMAL <strong>The</strong> optimizer should solve the primal problem.<br />
Default value:<br />
MSK SOLVE FREE<br />
9.2.166 MSK IPAR SIM STABILITY PRIORITY<br />
Corresponding constant:<br />
MSK IPAR SIM STABILITY PRIORITY<br />
Description:<br />
Controls how high priority the numerical stability should be given.<br />
Possible Values:<br />
Any number between 0 and 100.<br />
Default value:<br />
50
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