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Conjugate schema and basis representation of crossover and mutation operators
1Department of Computation and Neural Systems, 136-93 Moore Laboratories, Caltech, Pasadena, CA 91125, USA. sanza@cco.caltech.edu
Evolutionary Computation
|February 18, 1999
Summary
Choosing the right mathematical basis significantly enhances genetic search algorithms. Using conjugate schema improves performance in 10 out of 12 tested functions, optimizing search routines.
Area of Science:
- Computational intelligence
- Optimization algorithms
- Mathematical foundations of computer science
Background:
- Genetic search algorithms and optimization routines often default to canonical bases for mutation and crossover operators.
- This default representation can limit the effectiveness and usefulness of these search algorithms.
- Identifying an optimal basis is crucial for maximizing algorithm performance.
Purpose of the Study:
- To investigate the impact of basis representation on genetic search algorithm utility.
- To introduce and define the conjugate schema as a novel mathematical construct.
- To demonstrate the performance improvements offered by conjugate schema in optimization tasks.
Main Methods:
- Introduction of the conjugate schema as a general mathematical construct.
- Demonstration of conjugate schema's ability to decompose functions into lower-dimensional components.
- Empirical evaluation using a test suite of 12 functions to assess performance improvements.
Main Results:
- The study shows that the choice of basis representation significantly influences the usefulness of genetic search algorithms.
- The conjugate schema effectively separates functions into summable, smaller dimensional functions.
- Application of conjugate schema resulted in improved performance for 10 out of 12 tested functions.
Conclusions:
- The canonical basis is not always optimal for genetic search algorithms.
- Conjugate schema provides a mathematically sound method for improving search algorithm performance.
- This approach offers a promising direction for enhancing the efficiency and effectiveness of genetic algorithms in optimization.