Quadratic expression constructor. Create an empty quadratic expression, or copy an existing expression.

GRBQuadExpr GRBQuadExpr ( )

Create an empty quadratic expression.

Return value:

An empty expression object.

GRBQuadExpr GRBQuadExpr ( double a )

Create a constant quadratic expression.

Return value:

A quadratic expression object.

GRBQuadExpr GRBQuadExpr ( GRBLinExpr orig )

Initialize a quadratic expression from an existing linear expression.


orig: Existing linear expression to copy.

Return value:

Quadratic expression object whose initial value is taken from the input linear expression.

GRBQuadExpr GRBQuadExpr ( GRBQuadExpr orig )

Copy an existing quadratic expression.


orig: Existing expression to copy.

Return value:

A copy of the input expression object.