40 lines
1.2 KiB
Plaintext
40 lines
1.2 KiB
Plaintext
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+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
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Function maximization with Evolution Strategy (maxfctes):
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An ES example with Open BEAGLE
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Copyright (C) 2001-2003
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by Christian Gagne <cgagne@gmail.com>
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and Marc Parizeau <parizeau@gel.ulaval.ca>
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+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
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Getting started
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===============
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Example is compiled in binary 'maxfctes'. Usage options is described by
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executing it with command-line argument '-OBusage'. The detailed help can
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also be obtained with argument '-OBhelp'.
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Objective
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=========
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Find the maximum of the following 5D function (LaTeX syntax):
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$f(x) = \frac{161.8}{(u_N^2 \sum_{k=0}^{N-1}(x_k^2 + u_k^2))}$
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with $x = <x_0, x_1, ..., x_{N-1}>$, $u_{k+1} = x_k + u_k$, $x_k$
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in $[-200,200]$ for all $k$, $N = 5$ and $u_0 = 10$.
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Representation
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==============
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Vector of five ES pairs, each pair being an association of a value
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and a mutation strategy parameter. The values represents the function's
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five arguments \f$x_i\f$. They are limited in the interval
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\f$[-200,200]\f$ at the evaluation time.
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Fitness
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=======
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Value of $f(x_1,x_2,x_3,x_4,x_5)$.
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