| Name | Description | Type | Package | Framework |
| MinimumWeights | This constraint puts lower bounds on weights. | Class | com.numericalmethod.suanshu.model.corvalan2005.constraint | SuanShu |
| NoConstraints | Weights are unconstrained and constraints() returns null. | Class | com.numericalmethod.suanshu.model.corvalan2005.constraint | SuanShu |
| NoShortSelling | Weights cannot be negative. | Class | com.numericalmethod.suanshu.model.corvalan2005.constraint | SuanShu |