Learn R Programming

rLindo (version 8.0.1)

rLSgetNLPVariableDataj: Get data about the nonlinear structure of a specific column of the model.

Description

R interface function for LINDO API function LSgetNLPVariableDataj. For more information, please refer to LINDO API User Manual.

Usage

rLSgetNLPVariableDataj(model,iVar)

Arguments

model
A LINDO API model object, returned by rLScreateModel.
iVar
Index of the variable you wish to receive information on.

Value

An R list object with components:
ErrorCode
Zero if successful, nonzero otherwise.
pnNnz
Number of nonlinear nonzeros in column j.
panNLProws
An integer array containing the row indices of the nonlinear nonzeros in the jth column of the constraint matrix.
padNLPcoef
A double array containing the current values of the nonzero coefficients in the jth column of the coefficient (Jacobian) matrix with respect to the last primal solution computed during the iterations.

References

LINDO SYSTEMS home page at www.lindo.com

See Also

rLSgetNLPData