Agent-based modeling and simulation with Swarm by Hitoshi Iba PDF

By Hitoshi Iba

ISBN-10: 146656234X

ISBN-13: 9781466562349

Swarm-based multi-agent simulation ends up in greater modeling of projects in biology, engineering, economics, paintings, and lots of different components. It additionally allows an figuring out of complex phenomena that can't be solved analytically. Agent-Based Modeling and Simulation with Swarm offers the method for a multi-agent-based modeling process that integrates computational ideas resembling synthetic existence, mobile automata, and bio-inspired optimization.

Each bankruptcy offers an summary of the matter, explores cutting-edge expertise within the box, and discusses multi-agent frameworks. the writer describes step-by-step tips to gather algorithms for producing a simulation version, software, procedure for visualisation, and additional study projects. whereas the ebook employs the generally used Swarm procedure, readers can version and strengthen the simulations with their very own simulator. To motivate hands-on exploration of emergent platforms, Swarm-based software program and resource codes can be found for obtain from the author’s site.

A thorough review of multi-agent simulation and assisting instruments, this publication exhibits how this sort of simulation is used to procure an figuring out of complicated structures and synthetic existence. It conscientiously explains the right way to build a simulation software for varied applications.

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X sin y and × 10 √ − x 1. This representation brings the function up front. For example, x + y is expressed as + x y. If the crossover point is chosen between x and sin in the individual above and between − and x in the individual below, the individuals after crossover are +xx1 and × 10 √ − sin y. However, these two individuals cannot be evaluated because the syntax is wrong. GP performs genetic operations on partial trees, as discussed later, and therefore can satisfy the requirement that the syntax must be correct.

Selection is a procedure where good individuals are selected from a population. Species that adapt better to the environment are more likely to survive in nature. The selection procedure artificially carries out this process. The typical examples of EAs are genetic algorithms (GAs) and genetic programming (GP). They are the basic mechanisms for simulating complex systems. The next sections describe these methods in detail with practical applications. 2 What are genetic algorithms? GAs have the following characteristics: • Candidate solutions are represented by sequences of characters • Mutation and crossover are used to generate solutions of the next generation Elements that constitute GAs include data representation (genotype or phenotype), selection, crossover, mutation, and alternation of generation.

5. Check against convergence criteria and go back to 2 if not converged. Replacing parent individuals with offspring generated through operations such as selection, crossover, and mutation to obtain the population of the next generation is called the alternation of generation. Iterations finish when an individual with an acceptable fitness is found or a predetermined number of generations have been generated. It is also possible to continue the calculations for as long as possible if resources are available, and to terminate when sufficient convergence is achieved or further improvement of fitness appears difficult.

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Agent-based modeling and simulation with Swarm by Hitoshi Iba

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