net.sourceforge.combean.mathprog.grooml
Class GTerm

An single, linear term in the model. Consists of - a double coefficient, - a variable name and - an abstract index (which may be any type) The mapping of the abstract index to an integer index in a concrete LP model happens later when the expression, to which the term belongs is bound to a concrete LP model with well-defined variables. These variables then do this mapping.

GTerm

public GTerm(String var, Object idx, double coeff)

Constructor

params:

var name of the variable in the term

params:

idx variable index (may be a single string or integer or a tuple

of such values)

params:

coeff linear coefficient of the term

clone

public GTerm clone()

doubleValue

public double doubleValue()

index

public Object index()

parseTerm

public static GTerm parseTerm(String term)

Parse a String that defines a term. The term has the following format: *? [ ] The index may be - a single string or a single number - a list of strings or a list of numbers

todo:

add support for simple variables (no index brackets required)

scale

public GTerm scale(Number factor)

setIndex

public void setIndex(Object idx)

toString

public String toString()