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means that the user must supply `varname` (the variable name), but has the option to either specify `vartype` (the type of variable) or not (the type will default to a real variable).
## Further AMPL topics | ||||||||

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> > | - The AMPL Process (read me first!)
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AMPL: A Modeling Language for Mathematical Programming | ||||||||

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< < | However, you don't need to pay for AMPL right away! There is a limited functionality student version which also provides CPLEX (the mixed-integer linear programme solver from ILOG) and MINOS (the nonlinear programme solver from the Systems Optimization Laboratory at Stanford University). This Student Version will have enough functionality for most of the problems you will encounter in the case studies on the OpsRes Web. | |||||||

> > | However, you don't need to pay for AMPL right away! There is a limited functionality student version which also provides CPLEX (the mixed-integer linear programme solver from ILOG) and MINOS (the nonlinear programme solver from the Systems Optimization Laboratory at Stanford University). This Student Version will have enough functionality for most of the problems you will encounter in the case studies on the OpsRes Web. | |||||||

You can also use AMPL over the web at the AMPL web interface or you can use AMPL as an interface to many diferent optimisation solvers at the NEOS Server for Optimization. |

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< < | <-- Ready to Review --> | |||||||

> > | <-- Ready to Review - done - Lauren--> | |||||||

## AMPL GuideAMPL stands for "A Mathematical Programming Language". It is used to describe mathematical programmes. |

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You can also use AMPL over the web at the AMPL web interface or you can use AMPL as an interface to many diferent optimisation solvers at the NEOS Server for Optimization. | ||||||||

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< < | Notation In this AMPL Guide we will enclose required user input with `<` and `>` and _optional- user input with `[` and `]` , e.g., | |||||||

> > | Notation In this AMPL Guide we will enclose required user input with `<` and `>` and optional user input with `[` and `]` , e.g., | |||||||

var <varname> [vartype]; |

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<-- Ready to Review --> ## AMPL Guide | ||||||||

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You can also use AMPL over the web at the AMPL web interface or you can use AMPL as an interface to many diferent optimisation solvers at the NEOS Server for Optimization. | ||||||||

Added: | ||||||||

> > | Notation In this AMPL Guide we will enclose required user input with `<` and `>` and _optional- user input with `[` and `]` , e.g.,
var <varname> [vartype];means that the user must supply `varname` (the variable name), but has the option to either specify `vartype` (the type of variable) or not (the type will default to a real variable). | |||||||

## Further AMPL topics |

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<-- Ready to Review --> ## AMPL Guide | ||||||||

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< < | AMPL stands for "A Modeling Language for Mathematical Programming" - dude, acronyms are by no way my strong point, but isn't "A Mathematical Programming Language" more likely? - Cam. It is used to describe mathematical programmes. | |||||||

> > | AMPL stands for "A Mathematical Programming Language". It is used to describe mathematical programmes. | |||||||

AMPL is a commerical software package from Bell Laboratories and is also distributed by ILOG along with the mixed-integer linear programme solver CPLEX. | ||||||||

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AMPL: A Modeling Language for Mathematical Programming | ||||||||

Changed: | ||||||||

< < | However, you don't need to pay for AMPL right away! There is a limited functionality student version which also provides CPLEX (the mixed-integer linear programme solver from ILOG) and MINOS (the nonlinear programme solver from the Systems Optimization Laboratory at Stanford University). This Student Version will have enough functionality for the - lose "the", should we be saying "all"? - cam many of the problems you will encounter in the case studies on the OpsRes Web. | |||||||

> > | However, you don't need to pay for AMPL right away! There is a limited functionality student version which also provides CPLEX (the mixed-integer linear programme solver from ILOG) and MINOS (the nonlinear programme solver from the Systems Optimization Laboratory at Stanford University). This Student Version will have enough functionality for most of the problems you will encounter in the case studies on the OpsRes Web. | |||||||

Changed: | ||||||||

< < | You can also use AMPL over the web at the AMPL website's - lose "website's" - cam web interface or you can use AMPL as an interface to many diferent optimisation solvers at the NEOS Server for Optimization. | |||||||

> > | ||||||||

## Further AMPL topics | ||||||||

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> > | ||||||||

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<-- Ready to Review --> ## AMPL Guide | ||||||||

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< < | AMPL stands for "A Modeling Language for Mathematical Programming". It is used to describe mathematical programmes. | |||||||

> > | AMPL stands for "A Modeling Language for Mathematical Programming" - dude, acronyms are by no way my strong point, but isn't "A Mathematical Programming Language" more likely? - Cam. It is used to describe mathematical programmes. | |||||||

Changed: | ||||||||

< < | AMPL is a commerical software package from Bell Laboratories and is also distributed by ILOG along with the mixed-integer linear programme solver CPLEX. | |||||||

> > | AMPL is a commerical software package from Bell Laboratories and is also distributed by ILOG along with the mixed-integer linear programme solver CPLEX. | |||||||

For more details see the main AMPL website: | ||||||||

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AMPL: A Modeling Language for Mathematical Programming | ||||||||

Changed: | ||||||||

< < | However, you don't need to pay for AMPL right away! There is a limited functionality student version which also provides CPLEX (the mixed-integer linear programme solver from ILOG) and MINOS (the nonlinear programme solver from the Systems Optimization Laboratory at Stanford University). This Student Version will have enough functionality for the many of the problems you will encounter in the case studies on the OpsRes Web. | |||||||

> > | However, you don't need to pay for AMPL right away! There is a limited functionality student version which also provides CPLEX (the mixed-integer linear programme solver from ILOG) and MINOS (the nonlinear programme solver from the Systems Optimization Laboratory at Stanford University). This Student Version will have enough functionality for the - lose "the", should we be saying "all"? - cam many of the problems you will encounter in the case studies on the OpsRes Web. | |||||||

Changed: | ||||||||

< < | You can also use AMPL over the web at the AMPL website's web interface or you can use AMPL as an interface to many diferent optimisation solvers at the NEOS Server for Optimization. | |||||||

> > | You can also use AMPL over the web at the AMPL website's - lose "website's" - cam web interface or you can use AMPL as an interface to many diferent optimisation solvers at the NEOS Server for Optimization. | |||||||

## Further AMPL topics |

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<-- Ready to Review --> ## AMPL Guide | ||||||||

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which also provides CPLEX (the mixed-integer linear programme solver from ILOG) and MINOS (the nonlinear programme solver from the Systems Optimization Laboratory at Stanford University). This Student Version | ||||||||

Changed: | ||||||||

< < | will have enough functionality for the many of the problems you will encounter in the case studies on the !OpsRes Web. | |||||||

> > | will have enough functionality for the many of the problems you will encounter in the case studies on the OpsRes Web. | |||||||

You can also use AMPL over the web at the AMPL website's web interface or you can use AMPL as an interface to many diferent | ||||||||

Changed: | ||||||||

< < | optimisation solvers at the [[https://www-neos.mcs.anl.gov/"][NEOS Server for Optimization]. | |||||||

> > | optimisation solvers at the NEOS Server for Optimization. | |||||||

## Further AMPL topics |

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| ||||||||

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< < | <-- Under Construction --> | |||||||

> > | <-- Ready to Review --> | |||||||

## AMPL GuideAMPL stands for "A Modeling Language for Mathematical Programming". It is used to describe mathematical programmes. | ||||||||

Added: | ||||||||

> > | AMPL is a commerical software package from Bell Laboratories and is also
distributed by ILOG along with the mixed-integer linear programme solver CPLEX.
For more details see the main AMPL website: and there is a good, fairly comprehensive book on AMPL: AMPL: A Modeling Language for Mathematical Programming However, you don't need to pay for AMPL right away! There is a limited functionality student version which also provides CPLEX (the mixed-integer linear programme solver from ILOG) and MINOS (the nonlinear programme solver from the Systems Optimization Laboratory at Stanford University). This Student Version will have enough functionality for the many of the problems you will encounter in the case studies on the !OpsRes Web. You can also use AMPL over the web at the AMPL website's web interface or you can use AMPL as an interface to many diferent optimisation solvers at the [[https://www-neos.mcs.anl.gov/"][NEOS Server for Optimization].
## Further AMPL topics | |||||||

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> > | AMPL stands for "A Modeling Language for Mathematical Programming". It is used to describe mathematical programmes. | |||||||

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<-- Under Construction --> ## AMPL Guide-- TWikiAdminGroup - 24 Feb 2008 |

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