Summary
Summary README.lindoglobal.txt
- Module
- Amplide
- Institution
- Abacus College, Oxford
Summary of 2 pages for the course Amplide at Abacus College, Oxford (README.)
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Lindoglobal is a solver based on Lindo global optimizer versions 12 that can beused
either "stand-alone" or with AMPL's -og option to solve
linear and nonlinear problems expressed in AMPL.
To use lindoglobal with AMPL, you have several options. You can invoke
it within an AMPL session by saying
solve;
or, if $solver is not already lindoglobal,
option solver lindoglobal;
solve;
Lindoglobal understands AMPL's -og output format; you can thus
use stand-alone invocations like
ampl -ogfoo foo.mod foo.dat
lindoglobal foo [assignments]
Invocation, in general, is
lindoglobal [options] stub [-AMPL] [assignment ...]
where stub is from `ampl -ogstub`.
Assignments have the form spec_phrase=value.
The argument -AMPL causes lindoglobal to emit a one-line banner; when
$solver has its default value (lindoglobal), AMPL's solve command invokes
lindoglobal stub -AMPL
If a stub is present, lindoglobal tries to write the computed solution to
stub.sol unless the -s option was specified. Execute
lindoglobal '-?'
for a summary of other options.
For invocations from AMPL's solve command or of the form
lindoglobal stub
(where stub.nl is from AMPL's -og output option), you can use:
outlev= to control the amount and kind of output:
outlev=0 no chatter on stdout
outlev=1 do chatter
For information on the other options available, execute:
lindoglobal -=
-----------------------
solve_result_num values
=======================
Here is a table of solve_result_num values that lindoglobal can return
to an AMPL session, along with the text that appears in the associated
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