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problem.slpGetCoefFormula

Purpose
Retrieve a single matrix coefficient as a formula split into tokens. For a simpler version of this function see problem.nlpGetFormula.
Topic areas
SLP, Problem Information, Nonlinear
Synopsis
factor, type, value = problem.slpGetCoefFormula(row, col, parsed)
Arguments
row: constraint 
Integer holding the row index for the coefficient.
col: var 
Integer holding the column index for the coefficient.
parsed: int 
Integer indicating whether the formula of the item is to be returned in internal unparsed format ( parsed=0) or parsed (reverse Polish) format ( parsed=1).
Return value
factor: float 
A double precision variable to receive the value of the constant factor multiplying the formula in the coefficient.
type: list[int] 
Integer array containing the token types for the formula.
value: list[float] 
Double array of values corresponding to type.
Further information
1. The type and value arrays are terminated by an xpress.constants.TOK_EOF token.
2. If the requested coefficient is constant, then factor will be set to 1.0 and the value will be returned with token type xpress.constants.TOK_CON.
3. Argument row may contain either xpress.constraint objects or integer indices.
4. Argument col may contain either xpress.var objects or integer indices.
Related topics
problem.nlpGetFormulaStr, problem.nlpAddFormulas, problem.nlpChgFormulaStr, problem.nlpChgFormula, problem.nlpLoadFormulas, problem.nlpGetFormulaRows, problem.nlpGetFormula, problem.nlpDelFormulas

Parent Topic Xpress problem object methods

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