ata_helpers function

Helper functions of ATA

miscellaneous helper functions of ATA

ata_append_constraints appends constraint definitions to the model

ata_form_index converts input forms into actual form indices in the model

ata_obj_coef processes input coefficients of the objective functions

ata_solve_lpsolve solves the the MIP model using lp_solve

ata_solve_glpk solves the the MIP model using GLPK

ata_append_constraints(x, mat, dir, rhs)

ata_form_index(x, forms, collapse, internal_index)

ata_obj_coef(x, coef, compensate)

ata_solve_lpsolve(x, time_limit, message, ...)

ata_solve_glpk(x, time_limit, message, ...)

Arguments

• mat: coefficient matrix
• dir: direction
• rhs: right-hand-side value
• forms: indices of forms
• collapse: TRUE to collaspe forms into one form
• internal_index: TRUE to use internal form indices
• coef: coefficients
• compensate: TRUE to combine coefficients
• time_limit: the time limit in seconds passed along to solvers
• message: TRUE to print messages from solvers
• ...: additional control parameters for solvers