By Robert Fourer

AMPL is a language for large-scale optimization and mathematical programming difficulties in construction, distribution, mixing, scheduling, and plenty of different functions. Combining widespread algebraic notation and a strong interactive command surroundings, AMPL makes it effortless to create versions, use a large choice of solvers, and consider strategies. even though versatile and handy for speedy prototyping and improvement of versions, AMPL additionally deals the rate and generality wanted for repeated large-scale construction runs. This publication, written by means of the creators of AMPL, is an entire consultant for modelers in any respect degrees of expertise. It starts off with an educational on commonly used linear programming versions, and offers all of AMPL's positive aspects for linear programming with broad examples. extra chapters hide community, nonlinear, piecewise-linear, and integer programming; database and spreadsheet interactions; and command scripts. so much chapters contain workouts. obtain unfastened types of AMPL and a number of other solvers from www.ampl.com for experimentation, evaluate, and schooling. the website additionally lists proprietors of the economic model of AMPL and various solvers.

Show description

Read Online or Download AMPL: A Modeling Language for Mathematical Programming PDF

Similar linear programming books

Numerical Methods for Optimal Control Problems With State Constraints

Whereas optimality stipulations for optimum keep watch over issues of nation constraints were largely investigated within the literature the consequences concerning numerical tools are really scarce. This e-book fills the distance by means of offering a relations of latest tools. between others, a unique convergence research of optimum keep an eye on algorithms is brought.

Introduction to Linear Optimization

This ebook offers a unified, insightful, and glossy therapy of linear optimization, that's, linear programming, community stream difficulties, and discrete optimization. It comprises classical issues in addition to the cutting-edge, in either conception and perform.

Mathematical Programming: Essays in Honour of George B.Dantzig

Those stories include 28 papers devoted to Professor George B. Dantzig at the get together of his seventieth birthday. They characterize nearly each significant subject within the box of mathematical programming: linear and nonlinear programming, discrete and non-stop programming, traditional and large-scale programming, deterministic and stochastic programming, idea, purposes, community optimization, and complementarity.

Frontiers of Evolutionary Computation (Genetic Algorithms and Evolutionary Computation)

Frontiers of Evolutionary Computation brings jointly 11 contributions by way of overseas major researchers discussing what major concerns nonetheless stay unresolved within the box of Evolutionary Computation (EC). They discover such subject matters because the function of creating blocks, the balancing of exploration with exploitation, the modeling of EC algorithms, the relationship with optimization thought and the function of EC as a meta-heuristic technique, to call a number of.

Extra info for AMPL: A Modeling Language for Mathematical Programming

Example text

Thus plate is produced to absorb the capacity not taken by bands; coils would be produced only if both bands and plate reached their market limits before the available hours were exhausted. In reality, a whole product line cannot be shut down solely to increase weekly profits. The simplest way to reflect this in the model is to add lower bounds on the production amounts, as shown in Figures 1-5a and 1-5b. We have declared a new collection of parameters named commit, to represent the lower bounds on production that are imposed by sales commitments, and we have changed >= 0 to >= commit[p] in the declaration of the variables Make[p].

A "double inequality" like this is interpreted in the obvious way: the value of the slim in the middle mu st lie between n_min [i] and n_max [i]. The complete model is shown in Figure 2-1. 3 Using the AMPL diet model By specifying appropriate data, we can solve any of the linear programs that corre- spond to the above model. Let's begin by using the data from the beginning of this chapter, which is shown in AMPL format in Figure 2-2. The values of f_min and n_rnin are as given originally, wh ile f_max and n_rnax are set, for the time being.

It permits access to all of AMPL’s rich collection of features, and it will be the same in all environments. A text-based interface is most natural for creating scripts of frequently used commands and for writing programs that use AMPL’s programming constructs (the topics of Chapter 13). And text commands are used in applications where AMPL is a hidden or behind-thescenes part of some larger process. 7 AMPL INTERFACES 19 ________________________________________________________________________ ____________________________________________________________________________________________________________________________________________________________________________________ Figure 1-7b: A Tcl/Tk-based AMPL graphical user interface (Unix).

Download PDF sample

AMPL: A Modeling Language for Mathematical Programming by Robert Fourer
Rated 4.21 of 5 – based on 25 votes