public ConfigurationManager(IPortfolio samplePortfolio)
 {
     _samplePortfolio = samplePortfolio.Copy();
     extractConstraintMatrix();
 }
 public ConfigurationManager(IPortfolio samplePortfolio, double targetReturn)
 {
     _samplePortfolio = samplePortfolio.Copy();
     setTargetReturnConstraints(targetReturn);
     extractConstraintMatrix();
 }