Difference: AMPLProcess (3 vs. 4)

Revision 42008-02-27 - MichaelOSullivan

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META TOPICPARENT	name="AMPLGuide"

The AMPL Process

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src="dynamic_error.jpg"

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??? Up to here??? The previous example also showed how to use both the model and data environments in the same script file. Furthermore, rather than using {\tt model;} to enter the model environment (and leave the data environment), it jumps from the data environment to the model environment by using a command that is not valid in the data environment (the {\tt display} command).

Notes on AMPL Files<br />

Editing AMPL files

The easiest way to edit AMPL files is using a text editor such as Wordpad. To open Wordpad go to the start menu, select Programs, then Accessories and finally Wordpad.

When you have finished editing, save the file in the appropriate directory. Be sure to save them as a basic text file NOT in Rich Text Format.

Running AMPL files

Once you have finished editing your AMPL files, you can run them by

Either starting a command line application or Starting AMPL;
Typing AMPL commands, e.g.,
\begin{verbatim}
model .mod;
\end{verbatim}
\begin{verbatim}
data .dat;
\end{verbatim}
\begin{verbatim}
include .run;
\end{verbatim}

>
>

The previous example also showed how to use both the model and data environments in the same script file. Furthermore, rather than using model; to enter the model environment (and leave the data environment), it jumps from the data environment to the model environment by using a command that is not valid in the data environment (the display command).

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Notes on AMPL Files

Editing AMPL files in Windows

The easiest way to edit AMPL files is using a text editor such as Wordpad. To open Wordpad go to the start menu, select Programs, then Accessories and finally Wordpad

src="run_wordpad.jpg"

When you have finished editing, save the file in the appropriate directory. Be sure to save your file as a basic text file *NOT* in Rich Text Format.

src="save_ampl.jpg"

Running AMPL files

Once you have finished editing your AMPL files, you can run them by

Either starting a command line application or double-clicking on =setup_ampl.bat= (if you are at home);
Navigating to the directory where you saved the files;
Starting AMPL
Typing AMPL commands, e.g., model <modelname>.mod;, data <dataname>.dat;, =include <runname>.run;

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-- MichaelOSullivan - 25 Feb 2008 \ No newline at end of file

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ampl.jpg:

ampl_examples.jpg:

model_include.jpg:

model_file.jpg:

model_data.jpg:

data_include.jpg:

data_file.jpg:

script_file.jpg:

dynamic_error.jpg:

run_wordpad.jpg:

save_ampl.jpg:

run_wordpad.jpg:

ampl.jpg:

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