perl-Math-Evol

Evolution search optimisation

This module implements the evolution search strategy. Derivatives of the objective function are not required. Constraints can be incorporated. The caller must supply initial values for the variables and for the initial step sizes. This evolution strategy is a random strategy, and as such is particularly robust and will cope well with large numbers of variables, or rugged objective funtions. Evol.pm works either automatically (evol) with an objective function to be minimised, or interactively (select_evol) with a (suitably patient) human who at each step will choose the better of two possibilities. Another subroutine (text_evol) allows the evolution of numeric parameters in a text file, the parameters to be varied being identified in the text by means of special comments. A script _ps_evol_ which uses that is included for human-judgement-based fine-tuning of drawings in PostScript. Version 1.13

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