gams:gams

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gams:gams [2018/05/18 14:09] admin |
gams:gams [2021/07/15 22:08] (current) Atharv Bhosekar [How do I...] |
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* [[compute the Kronecker product in GAMS]] | * [[compute the Kronecker product in GAMS]] | ||

* [[ export only rounded numbers from GAMS to Excel?]] | * [[ export only rounded numbers from GAMS to Excel?]] | ||

- | * [[ enter a macro over multiple lines?]] | + | * [[ enter a macro over multiple lines?]] |

- | * [[ use the matching operator?]] | + | |

- | * [[ compute the median of a parameter's values?]] | + | |

- | * [[loop over file names?]] | + | |

- | * [[formulate a power set?]] | + | |

* [[implement a 'lookup-table'?]] | * [[implement a 'lookup-table'?]] | ||

* [[The sum of consecutive four elements in a vector should be less than 10|model that constraint: The sum of consecutive four elements in a vector should be less than 10?]] | * [[The sum of consecutive four elements in a vector should be less than 10|model that constraint: The sum of consecutive four elements in a vector should be less than 10?]] | ||

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* [[get the "Active Process" Window back?]] | * [[get the "Active Process" Window back?]] | ||

* [[model predecessor/successor relations?]] | * [[model predecessor/successor relations?]] | ||

- | * [[enter GAMS command line options?]] | ||

- | * [[export all elements of parameter (including Zeros) from GAMS into Excel?]] | ||

* [[write only the binding constraints to an external file?]] | * [[write only the binding constraints to an external file?]] | ||

* [[obtain the analytical derivatives of the objective function and the constraints?]] | * [[obtain the analytical derivatives of the objective function and the constraints?]] | ||

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* [[linearize a non-linear function?]] | * [[linearize a non-linear function?]] | ||

* [[union two different sets]] | * [[union two different sets]] | ||

- | * [[solver:how_do_i_automatically_re-submit_a_model_which_failed_due_to_a_solver_license_error|automatically re-submit a model, which failed due to a solver license error?]] | ||

- | * [[execute other Programs within GAMS?]] | ||

* [[output zero values with a display statement?]] | * [[output zero values with a display statement?]] | ||

- | * [[platform:gamide_color_coding_is_not_working|turn on the syntax color coding?]] | + | * [[platform:gamide_color_coding_is_not_working|turn on the syntax color coding?]] |

- | * [[specify a conditional parameter assignment to avoid a 'division by zero' error?]] | + | |

- | * [[create a report with some technical information about the optimzation?]] | + | |

* [[include a file without stating the whole file name?]] | * [[include a file without stating the whole file name?]] | ||

- | * [[enter command-line parameter into the GAMS IDE?]] | + | * [[restrict the increments of a variable to certain values only?]] |

- | * [[interpret the Column Listing?]] | + | |

- | * [[restrict the increments of a variable to certain values only?]] | + | |

- | * [[get an ordered set from a set, which is not ordered?]] | + | |

* [[sort a list of set elements and find duplicate entries?]] | * [[sort a list of set elements and find duplicate entries?]] | ||

* [[get the GAMS IDE to write the gamsidi.ini file to another location?|get the GAMS IDE to write the gamside.ini file to another location?]] | * [[get the GAMS IDE to write the gamsidi.ini file to another location?|get the GAMS IDE to write the gamside.ini file to another location?]] | ||

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* [[define variables over subsets?]] | * [[define variables over subsets?]] | ||

* [[create a new GAMS Chart for every element of a set?]] | * [[create a new GAMS Chart for every element of a set?]] | ||

- | * [[Dynamic renaming of put-files|dynamically rename put-files?]] | ||

* [[formulate a constraint with a "<" condition?|formulate a constraint with a "<" condition?]] | * [[formulate a constraint with a "<" condition?|formulate a constraint with a "<" condition?]] | ||

* [[transpose a matrix]] | * [[transpose a matrix]] | ||

- | * [[How do I get a sorted Parameter or Table?|get a sorted Parameter or Table?]] | + | * [[How can I protect my GAMS Model?|protect my GAMS Model?]] |

- | * [[How can I protect my GAMS Model?|protect my GAMS Model?]] | + | |

- | * [[How can I find unused symbols in my GAMS model?|find unused symbols in my GAMS model?]] | + | |

* [[Conditional file include|get a conditional file include?]] | * [[Conditional file include|get a conditional file include?]] | ||

- | * [[Getting Command Line Arguments into a Model|get command line arguments into a Model]] | ||

* [[What is the meaning of ''COMPILATION TIME'', ''GENERATION TIME'', and ''EXECUTION TIME''?|interpret ''COMPILATION TIME'', ''GENERATION TIME'', and ''EXECUTION TIME'' in the lst-file?]] | * [[What is the meaning of ''COMPILATION TIME'', ''GENERATION TIME'', and ''EXECUTION TIME''?|interpret ''COMPILATION TIME'', ''GENERATION TIME'', and ''EXECUTION TIME'' in the lst-file?]] | ||

- | * [[How do I get the *total* model solution time in GAMS?|get the *total* model solution time in GAMS?]] | ||

- | * [[Counting the Number of Equations generated by a specific Constraint|count the Number of Equations generated by a specific Constraint?]] | ||

* [[Getting the index position of the largest element of a set|get the index position of the largest element of a set?]] | * [[Getting the index position of the largest element of a set|get the index position of the largest element of a set?]] | ||

* [[What is the meaning of the marginal values?|interpret the marginal values?]] | * [[What is the meaning of the marginal values?|interpret the marginal values?]] | ||

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* [[Different variable types within one definition|get different variable types within one definition?]] | * [[Different variable types within one definition|get different variable types within one definition?]] | ||

* [[get the attribute of an equation, that returns the feasibitity status of an equation?]] | * [[get the attribute of an equation, that returns the feasibitity status of an equation?]] | ||

- | * [[How do I reduce the size of my listing (.LST) file?|reduce the size of my listing (.LST) file?]] | ||

- | * [[How can I access environment variables inside GAMS?|access environment variables inside GAMS?]] | ||

- | * [[How can I enumerate all possible subsets of a set?|enumerate all possible subsets of a set?]] | ||

* [[Adding a constraint to a model and doing a warm start|add a constraint to a model and do a warm start?]] | * [[Adding a constraint to a model and doing a warm start|add a constraint to a model and do a warm start?]] | ||

- | * [[Continuing subsequent solves in a loop after GAMS execution error abort|continue subsequent solves in a loop after GAMS execution error abort?]] | ||

* [[Linearization of multi dimensional parameter|linearize a multi dimensional parameter?]] | * [[Linearization of multi dimensional parameter|linearize a multi dimensional parameter?]] | ||

* [[Sleep.exe with millisecond resolution|get a ''sleep.exe'' with a millisecond resolution?]] | * [[Sleep.exe with millisecond resolution|get a ''sleep.exe'' with a millisecond resolution?]] | ||

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* [[model piecewise linear functions?|model piecewise linear functions?]] | * [[model piecewise linear functions?|model piecewise linear functions?]] | ||

* [[model permutations?|model permutations?]] | * [[model permutations?|model permutations?]] | ||

- | * [[split up my model in a definition and into a data part?]] | ||

* [[use GAMS return codes in a batch file?]] | * [[use GAMS return codes in a batch file?]] | ||

- | * [[structure a large GAMS model?]] | ||

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===== Error Messages ===== | ===== Error Messages ===== | ||

- | * [[License Problems]] | ||

* [[Error code 13, System Failure]] | * [[Error code 13, System Failure]] | ||

* [[TERMINATED DUE TO A FILE OPEN ERROR IN SysOpenText]] | * [[TERMINATED DUE TO A FILE OPEN ERROR IN SysOpenText]] | ||

* [[error3|error 3: The system cannot find the path specified]] | * [[error3|error 3: The system cannot find the path specified]] | ||

- | * [[Equation infeasible due to rhs value]] | ||

* [[Maximum number of columns in table exceeded (MAXTABCOL=2048)]] | * [[Maximum number of columns in table exceeded (MAXTABCOL=2048)]] | ||

* [[No space left on device|C OS errno = 28: 'No space left on device']] | * [[No space left on device|C OS errno = 28: 'No space left on device']] | ||

* [[WARNING - COMPILER OPTIONS ARE NON DEFAULT PHANTOM EMPTY]] | * [[WARNING - COMPILER OPTIONS ARE NON DEFAULT PHANTOM EMPTY]] | ||

- | * [[Workfile with 1 execution errors(s)]] | ||

- | * [[Error 286|Error 286:Invalid in-line/end-of-line comment delimiter specification ...]] | ||

* [[MCP pair ... has empty equation but associated variable is NOT fixed]] | * [[MCP pair ... has empty equation but associated variable is NOT fixed]] | ||

* [[Exponential function exp(x) not recognized]] | * [[Exponential function exp(x) not recognized]] | ||

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* [[Endogenous $-control operations not allowed]] | * [[Endogenous $-control operations not allowed]] | ||

* [[Error 282 within the GAMS IDE]] | * [[Error 282 within the GAMS IDE]] | ||

- | * [[Error "Set used in 'ord' or lag is not ordered."]] | ||

* [[CORRUPTED WORKFILE - CANNOT CONTINUE]] | * [[CORRUPTED WORKFILE - CANNOT CONTINUE]] | ||

* [[UNDEFINED REAL POWER]] | * [[UNDEFINED REAL POWER]] | ||

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* [[What is the difference between ''$stop'' and ''$exit''?]] | * [[What is the difference between ''$stop'' and ''$exit''?]] | ||

* [[An Example how to use the GAMS $macro feature to implement the Simpson's rule]] | * [[An Example how to use the GAMS $macro feature to implement the Simpson's rule]] | ||

- | * [[What is the meaning of projected in the MODEL STATISTICS?]] | ||

* [[How is EPS handled in calculations]] | * [[How is EPS handled in calculations]] | ||

* [[Replacing +/- INF]] | * [[Replacing +/- INF]] | ||

- | * [[Operations with EPS and INF]] | ||

* [[What is the NEOS Server?]] | * [[What is the NEOS Server?]] | ||

- | * [[The Difference between $set and $setglobal]] | ||

* [[Should I use Bounds or 'Singleton Equations'?]] | * [[Should I use Bounds or 'Singleton Equations'?]] | ||

* [[Do not run models in the GAMS System Directory]] | * [[Do not run models in the GAMS System Directory]] | ||

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* [[Difference between the **-operator and the power function]] | * [[Difference between the **-operator and the power function]] | ||

* [[How many active processes is GAMS allowed to have running at one time?]] | * [[How many active processes is GAMS allowed to have running at one time?]] | ||

- | * [[What is the maximal line length for an input line within a current version of GAMS]] | ||

* [[Precision of Data within GAMS]] | * [[Precision of Data within GAMS]] | ||

- | * [[the_225_-_subdirectories|The 225 - Subdirectories]] | ||

* [[Set elements are strings, not numbers]] | * [[Set elements are strings, not numbers]] | ||

* [[GAMS and the MPS format]] | * [[GAMS and the MPS format]] | ||

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* [[Random number generator in GAMS]] | * [[Random number generator in GAMS]] | ||

* [[A scalar drives the length of a set]] | * [[A scalar drives the length of a set]] | ||

- | * [[Tabulators in GAMS]] | ||

* [[Missing trig functions (arccos, arcsin, tan)]] | * [[Missing trig functions (arccos, arcsin, tan)]] | ||

* [[How large should BIG M be?]] | * [[How large should BIG M be?]] | ||

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* [[Alternative optimal solutions]] | * [[Alternative optimal solutions]] | ||

* [[GAMS/EMP]] | * [[GAMS/EMP]] | ||

- | * [[Auditing GAMS runs on a network with a shared GAMS installation]] | + | * [[Auditing GAMS runs on a network with a shared GAMS installation]] |

- | * [[How to reduce model generation time]] | + | |

* [[Computer and Executable Dependent Performance Differences]] | * [[Computer and Executable Dependent Performance Differences]] | ||

IMPRESSUM / LEGAL NOTICE
PRIVACY POLICY
gams/gams.1526645359.txt.gz · Last modified: 2018/05/18 14:09 by admin