SCIP
Solving Constraint Integer Programs
Solving Constraint Integer Programs
An element of a quadratic term: two variable indices and a coefficient. The convention is to have idx1 <= idx2.
Definition at line 98 of file type_expr.h.
#include <type_expr.h>
Data Fields | |
| int | idx1 |
| int | idx2 |
| SCIP_Real | coef |
| int SCIP_QuadElement::idx1 |
index of first variable
Definition at line 100 of file type_expr.h.
Referenced by addRegularScholtes(), computeGradient(), computeInteriorPoint(), createConsFromQuadTerm(), createMIP(), createNlRow(), createTcliqueGraph(), evalFunctionGradient(), evalFunctionValue(), exprConvertToPolynomial(), exprgraphFindParentByOperator(), exprgraphNodePropagateBounds(), exprgraphPrintNodeExpression(), exprUnconvertPolynomial(), generateCut(), hessLagAddQuad(), hessLagSparsitySetNzFlagForQuad(), isCandidate(), mapIndicesQuad(), nlpSetupNlpiIndices(), nlrowAddQuadElement(), nlrowaggrCreate(), nlrowCalcActivityBounds(), nlrowChgQuadElemPos(), nlrowDelQuadElemPos(), nlrowQuadElemChanged(), nlrowRemoveFixedQuadVars(), printFunction(), printRowNl(), processNlRow(), quadraticdataSort(), readExpression(), readNonlinearExprs(), reformulate(), SCIP_DECL_CONSINITSOL(), SCIP_DECL_EXPREVAL(), SCIPaddToNlpiProblemQuadratic(), SCIPaddToNlpiProblemSOC(), SCIPcreateNlpiProb(), SCIPexprAreEqual(), SCIPexprGetMaxDegree(), SCIPexprgraphGetSeparableTrees(), SCIPexprgraphGetSumTrees(), SCIPexprgraphNodeSplitOffLinear(), SCIPexprPrint(), SCIPnlpiOracleChgQuadCoefs(), SCIPnlpiOracleGetJacobianSparsity(), SCIPnlrowChgQuadElem(), SCIPnlrowGetSolActivity(), SCIPnlrowPrint(), SCIPnlrowRecalcNLPActivity(), SCIPnlrowRecalcPseudoActivity(), searchEcAggrWithCliques(), setQuadraticObj(), storeAggrFromMIP(), updateMIP(), and updateVariableDegreesCons().
| int SCIP_QuadElement::idx2 |
index of second variable
Definition at line 101 of file type_expr.h.
Referenced by addRegularScholtes(), computeGradient(), computeInteriorPoint(), createConsFromQuadTerm(), createMIP(), createNlRow(), createTcliqueGraph(), eval(), evalFunctionGradient(), evalFunctionValue(), exprConvertToPolynomial(), exprgraphFindParentByOperator(), exprgraphNodePropagateBounds(), exprgraphPrintNodeExpression(), exprUnconvertPolynomial(), generateCut(), hessLagAddQuad(), hessLagSparsitySetNzFlagForQuad(), isCandidate(), mapIndicesQuad(), nlpSetupNlpiIndices(), nlrowAddQuadElement(), nlrowaggrCreate(), nlrowCalcActivityBounds(), nlrowChgQuadElemPos(), nlrowDelQuadElemPos(), nlrowQuadElemChanged(), nlrowRemoveFixedQuadVars(), printFunction(), printRowNl(), processNlRow(), quadraticdataSort(), readExpression(), readNonlinearExprs(), reformulate(), SCIP_DECL_CONSINITSOL(), SCIP_DECL_EXPREVAL(), SCIPaddToNlpiProblemQuadratic(), SCIPaddToNlpiProblemSOC(), SCIPcreateNlpiProb(), SCIPexprAreEqual(), SCIPexprGetMaxDegree(), SCIPexprgraphGetSeparableTrees(), SCIPexprgraphGetSumTrees(), SCIPexprgraphNodeSplitOffLinear(), SCIPexprPrint(), SCIPnlpiOracleChgQuadCoefs(), SCIPnlpiOracleGetJacobianSparsity(), SCIPnlrowChgQuadElem(), SCIPnlrowGetSolActivity(), SCIPnlrowPrint(), SCIPnlrowRecalcNLPActivity(), SCIPnlrowRecalcPseudoActivity(), searchEcAggrWithCliques(), setQuadraticObj(), storeAggrFromMIP(), updateMIP(), and updateVariableDegreesCons().
| SCIP_Real SCIP_QuadElement::coef |
value of coefficient at position (idx1, idx2)
Definition at line 102 of file type_expr.h.
Referenced by addRegularScholtes(), computeGradient(), computeInteriorPoint(), createConsFromQuadTerm(), createMIP(), createNlRow(), createTcliqueGraph(), eval(), evalFunctionGradient(), evalFunctionValue(), exprConvertToPolynomial(), exprgraphFindParentByOperator(), exprgraphNodePropagateBounds(), exprgraphPrintNodeExpression(), exprUnconvertPolynomial(), generateCut(), hessLagAddQuad(), isCandidate(), nlpSetupNlpiIndices(), nlrowAddQuadElement(), nlrowaggrCreate(), nlrowCalcActivityBounds(), nlrowChgQuadElemPos(), nlrowDelQuadElemPos(), nlrowQuadElemChanged(), nlrowRemoveFixedQuadVars(), printFunction(), printRowNl(), processNlRow(), readExpression(), readNonlinearExprs(), reformulate(), SCIP_DECL_CONSINITSOL(), SCIP_DECL_EXPREVAL(), SCIP_DECL_EXPRINTEVAL(), SCIPaddQuadElementToNlRow(), SCIPaddToNlpiProblemQuadratic(), SCIPaddToNlpiProblemSOC(), SCIPcreateNlpiProb(), SCIPexprAreEqual(), SCIPexprgraphGetSeparableTrees(), SCIPexprgraphGetSumTrees(), SCIPexprMulConstant(), SCIPexprPrint(), SCIPnlpiOracleChgQuadCoefs(), SCIPnlrowChgQuadElem(), SCIPnlrowGetSolActivity(), SCIPnlrowPrint(), SCIPnlrowRecalcNLPActivity(), SCIPnlrowRecalcPseudoActivity(), SCIPquadelemSqueeze(), searchEcAggrWithCliques(), and setQuadraticObj().