derivative_free_optimization
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| problem nastava v okamziku kdy se objevi uzke udoli sikme na hlavni osy. V tom pripade Pattern_search sice konverguje ale s velice kratkym krokem (aby se vlez do sirky udoli) coz vede k velkemu poctu potrebnych iteraci. | problem nastava v okamziku kdy se objevi uzke udoli sikme na hlavni osy. V tom pripade Pattern_search sice konverguje ale s velice kratkym krokem (aby se vlez do sirky udoli) coz vede k velkemu poctu potrebnych iteraci. | ||
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| + | Resenim je pouzit znalosti okolnich bodu k odhadu gradientu, pripadne i stredu paraboly. | ||
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| + | === algoritmus === | ||
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| + | == Pattern run == | ||
| + | - zvol smer ze zbylych a nasampluj ho | ||
| + | - je li energie nizsi, presun se | ||
| + | - je li energie vyzsi | ||
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derivative_free_optimization.1337846034.txt.gz ยท Last modified: 2012/05/24 09:53 (external edit)
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