XKTR_PARAM_OPTTOL
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     Description
     | 
     Specifies the final relative stopping tolerance for the KKT (optimality) error.
     | 
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     Type
     | 
     Double
     | 
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     Default value
     | 
     1.0e-6
     | 
| 
     Note
     | 
     Smaller values of opttol result in a higher degree of accuracy in the solution with respect to optimality.
     | 
 
