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Observe that the option cheat is specified in absolute terms , therefore non-negative values are appropriate for both minimization and maximization models. Note that using this option will invalidate any reporting of the dual bound or optimality gaps. This option specifies whether foreign language characters are permitted in comments and text items. For a list of standard GAMS characters, see table Legal Characters. Certain solution procedures can restart from an advanced basis that is constructed automatically.

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This option controls the number of error message lines that are written to the log file. This option controls formatting of parameters on the command line and is useful in conjunction with the option parmFile. This option provides a key to encrypt a text file via $encrypt. This option provides a key to decrypt a GAMS input file that has been encrypted with a key provided by encryptKey and $encrypt. For a branch-and-bound based solver, each new feasible solution must be at least the value of cheat better than the current best feasible solution. Note that this may speed up the search, but may cause some solutions, including optimal ones, to be missed. If a model has been solved with a nonzero cheat value, then the optimal solution will be within the cheat value or less of the found solution.

This is not the actual license information but allows other programs like e.g. "GAMS Studio" to list the solvers available with a particular license. In most cases solvers that are added this way should list the GAMS BASE license codes " ". Besides the required fields like value the schema also imposes restrictions on some value types (e.g. True and False for pathVariable and a proper release number for minVersion and maxVersion). The form of the release number can be just the major release (e.g. 31), the major and minor release number (e.g. 31.1) or the full detailed release number, e.g. 31.1.0. So if maxVersion is set to e.g. 31 then all releases of 31 fulfill this version requirement. On your phone’s screen, you should see a prompt to allow or deny USB Debugging access. Naturally, you will want to grant USB Debugging access when prompted .

  • From your Applications folder, open the Utilities folder and select Terminal.2.
  • When Terminal is open, type in any of the commands listed below using a hostname you wish to look up.
  • There are typically several parameters and methods available for each command.
  • In addition to cmdlets, there are dozens of parameters and methods that help you get the most out of your scripts.
  • The WhatIf parameter is particularly useful for testing PowerShell scripts without actually running them (@pluralsight).

Command line specifications in the IDE options window Execute (this is reached through File|Options|Execute). The next three items on line 1 in the section of gmscmpNT.txt are for internal purposes and not discussed here in detail. They can be set via gamsconfig.yaml via the keys defaultOkFlag and hiddenFlag with values True or False. The licCode (line 1 fourth item in the section of gmscmpNT.txt) gives a guess about what license codes are required to run the solver.

This option is used to specify whether basis information will be used. The use of this basis will be rejected if the number of basic variables is smaller than bRatio times the size of the basis. Setting bRatio to 1 will cause all existing basis information to be discarded, which is sometimes needed with nonlinear problems. A bRatio of 0 accepts any basis and forces GAMS to construct a basis using whatever information is available. If bRatio has been set to 0 and there was no previous solve, an all slack basis will be provided. This option has no effect for most MIP solvers because MIP presolve destroys a basis. For a full list of dollar control options that affect compile-time variables, see section Dollar Control Options for Compile-Time Variables and Environment Variables.

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However, solvers are free to adapt this convention and return time-related information for executing the solve algorithm. Please inspect your solver manual for the actual meaning of the value returned in this attribute.

This time includes the model generation time, the time to read and write files, the time to create the solution report and the time taken by the actual solve. Unlike etSolve and etSolver, this attribute is set by the individual solver links. This attribute was intended to allow solvers to return the elapsed time used by the solve algorithm without including any model generation, communication, or setup time.