SCIP_QuadElement Struct Reference

Detailed Description

An element of a quadratic term: two variable indices and a coefficient. The convention is to have idx1 <= idx2.

Definition at line 100 of file type_expr.h.

#include <type_expr.h>

Data Fields
int	idx1
int	idx2
SCIP_Real	coef

Field Documentation

idx1

int SCIP_QuadElement::idx1

index of first variable

Definition at line 102 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(), SCIPaddNlRowGradientBenderscutOpt(), SCIPaddToNlpiProblemQuadratic(), SCIPaddToNlpiProblemSOC(), SCIPcreateNlpiProb(), SCIPexprAreEqual(), SCIPexprGetMaxDegree(), SCIPexprgraphGetSeparableTrees(), SCIPexprgraphGetSumTrees(), SCIPexprgraphNodeSplitOffLinear(), SCIPexprPrint(), SCIPnlpiOracleChgQuadCoefs(), SCIPnlpiOracleGetJacobianSparsity(), SCIPnlrowChgQuadElem(), SCIPnlrowGetSolActivity(), SCIPnlrowPrint(), SCIPnlrowRecalcNLPActivity(), SCIPnlrowRecalcPseudoActivity(), searchEcAggrWithCliques(), setQuadraticObj(), storeAggrFromMIP(), updateMIP(), and updateVariableDegreesCons().

idx2

int SCIP_QuadElement::idx2

index of second variable

Definition at line 103 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(), SCIPaddNlRowGradientBenderscutOpt(), SCIPaddToNlpiProblemQuadratic(), SCIPaddToNlpiProblemSOC(), SCIPcreateNlpiProb(), SCIPexprAreEqual(), SCIPexprGetMaxDegree(), SCIPexprgraphGetSeparableTrees(), SCIPexprgraphGetSumTrees(), SCIPexprgraphNodeSplitOffLinear(), SCIPexprPrint(), SCIPnlpiOracleChgQuadCoefs(), SCIPnlpiOracleGetJacobianSparsity(), SCIPnlrowChgQuadElem(), SCIPnlrowGetSolActivity(), SCIPnlrowPrint(), SCIPnlrowRecalcNLPActivity(), SCIPnlrowRecalcPseudoActivity(), searchEcAggrWithCliques(), setQuadraticObj(), storeAggrFromMIP(), updateMIP(), and updateVariableDegreesCons().

coef

SCIP_Real SCIP_QuadElement::coef

value of coefficient at position (idx1, idx2)

Definition at line 104 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(), SCIPaddNlRowGradientBenderscutOpt(), SCIPaddQuadElementToNlRow(), SCIPaddToNlpiProblemQuadratic(), SCIPaddToNlpiProblemSOC(), SCIPcreateNlpiProb(), SCIPexprAreEqual(), SCIPexprgraphGetSeparableTrees(), SCIPexprgraphGetSumTrees(), SCIPexprMulConstant(), SCIPexprPrint(), SCIPnlpiOracleChgQuadCoefs(), SCIPnlrowChgQuadElem(), SCIPnlrowGetSolActivity(), SCIPnlrowPrint(), SCIPnlrowRecalcNLPActivity(), SCIPnlrowRecalcPseudoActivity(), SCIPquadelemSqueeze(), searchEcAggrWithCliques(), and setQuadraticObj().