Linear Optimization-Android

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ืžื™ื“ืข ืขืœ ื”ืืคืœื™ืงืฆื™ื” ื”ื–ื•

ืžื˜ืจืช ื”ืืคืœื™ืงืฆื™ื” ื”ื™ื ืœืกืคืง ื›ืœื™ื ื ื•ื—ื™ื ืœื™ืฆื™ืจื” ื•ืคืชืจื•ืŸ ืžื•ื“ืœื™ื ืฉืœ ืื•ื‘ื™ื™ืงื˜ื™ื ืœืื•ืคื˜ื™ืžื™ื–ืฆื™ื” ืœื™ื ื™ืืจื™ืช.
ย ืื•ืคื˜ื™ืžื™ื–ืฆื™ื” ืœื™ื ื™ืืจื™ืช, ื”ื ืงืจืืช ื’ื ืชื›ื ื•ืช ืœื™ื ืืจื™ (LP), ื”ื™ื ืฉื™ื˜ื” ืœื”ืฉื’ืช ื”ืชื•ืฆืื” ื”ื˜ื•ื‘ื” ื‘ื™ื•ืชืจ (ื›ื’ื•ืŸ ืžืงืกื™ืžื•ื (ืžื™ื ื™ืžื•ื) ืจื•ื•ื— ืื• ืขืœื•ืช ื ืžื•ื›ื” ื‘ื™ื•ืชืจ) ื‘ืžื•ื“ืœ ืžืชืžื˜ื™ ืฉื“ืจื™ืฉื•ืชื™ื• ื•ื™ืขื“ื™ื• ืžื™ื•ืฆื’ื™ื ืขืœ ื™ื“ื™ ืงืฉืจื™ื ืœื™ื ื™ืืจื™ื™ื. ืชื›ื ื•ืช ืœื™ื ืืจื™ ื”ื•ื ืžืงืจื” ืžื™ื•ื—ื“ ืฉืœ ืชื›ื ื•ืช ืžืชืžื˜ื™ (ื”ื™ื“ื•ืข ื’ื ื‘ืฉืย ืื•ืคื˜ื™ืžื™ื–ืฆื™ื” ืžืชืžื˜ื™ืช).
ืชื•ื›ื ื™ื•ืช ืœื™ื ื™ืืจื™ื•ืช (ืžื•ื“ืœื™ื ื‘ืžื•ื‘ืŸ ืฉืœ ืืคืœื™ืงืฆื™ื” ื–ื•) ื”ืŸ ื‘ืขื™ื•ืช ืฉื™ื›ื•ืœื•ืช ืœื‘ื•ื ืœื™ื“ื™ ื‘ื™ื˜ื•ื™ ื‘ืคื•ืจืžื˜ื™ื ืกื˜ื ื“ืจื˜ื™ื™ื (ื•ื™ืงื™ืคื“ื™ื”):- find vector x; - ืฉืžืžืงืกื(ืžืžื–ืขืจ) Z = cx; - ื‘ื›ืคื•ืฃ ืœ-Ax<=b โ€“ ื‘-maximizes( Ax>=b โ€“ ื‘-minimises );- ื•-x>=0. ื›ืืŸ ื”ืจื›ื™ื‘ื™ื ืฉืœย  x ย ื”ื ื”ืžืฉืชื ื™ื ืฉื™ืฉ ืœืงื‘ื•ืข, c ื•-b ื ืชื•ื ื™ื ืœื•ืงื˜ื•ืจื™ื, ื•-A ื”ื™ื ืžื˜ืจื™ืฆื” โ€‹โ€‹ื ืชื•ื ื”.
ืžื”ืคืขื™ืœื•ืช ื”ืจืืฉื•ื ื™ืช ืฉืœ ื”ืืคืœื™ืงืฆื™ื” โ€“ App Linear Optimization ื›ืœื•ืœื•ืช ื”ืคื•ื ืงืฆื™ื•ืช ืœื™ืฆื™ืจื”, ืขืจื™ื›ื”, ืคืชืจื•ืŸ ื•ืžื—ื™ืงืช ืžื•ื“ืœื™ื. ื”ืžื•ื“ืœื™ื ืžืื•ื—ืกื ื™ื ื‘ื‘ืกื™ืก ื ืชื•ื ื™ื ืฉืœ SQLite ืขื ื”ืฉื linearProgramming.db. ืœืืคืœื™ืงืฆื™ื” ื™ืฉ ืคื•ื ืงืฆื™ื•ืช ืœืื—ืกื•ืŸ ื•ืฉื—ื–ื•ืจ ืžืกื“ ื”ื ืชื•ื ื™ื ื‘ืกืคืจื™ื™ืช ื”ื”ื•ืจื“ื” ืฉืœ ื”ืžื›ืฉื™ืจ.
ื‘ืขืช ื™ืฆื™ืจืช ืžื•ื“ืœ ืื•ืคื˜ื™ืžื™ื–ืฆื™ื”, ืžื•ื–ื ื™ื ืฉื ื™ ืคืจืžื˜ืจื™ื (ืคืขื™ืœื•ืช ืžื•ื“ืœ ืœื™ื ืืจื™) - ืžืกืคืจ ืžืฉืชื ื™ ื•ืงื˜ื•ืจ x ื•ืžืกืคืจ ื”ืื™ืœื•ืฆื™ื (ื–ื” ืœื ื›ื•ืœืœ ืืช ื”ืื™ืœื•ืฆื™ื ืœืžืฉืชื ื™ื) - ื›ืœื•ืžืจ ื”ืฉื•ืจื•ืช ืฉืœ ืžื˜ืจื™ืฆื” โ€‹โ€‹A. ืœืื—ืจ ื”ื–ื ืช ื ืชื•ื ื™ื ืืœื• ื•ืœื—ื™ืฆื” ืขืœ ื”ื›ืคืชื•ืจ โ€“ ืžื•ื“ืœ ืœื™ื ื™ืืจื™, ืžืžืฉื™ื›ื™ื ืœื”ื–ื™ืŸ ืืช ื ืชื•ื ื™ ื”ืžื•ื“ืœ โ€“ ืžืชื•ืš ืคืขื™ืœื•ืช ื™ืฆื™ืจืช ืžื•ื“ืœ ืœื™ื ื™ืืจื™.
ืžืงื“ืžื™ x ื”ื•ื•ืงื˜ื•ืจ c ืžื•ื–ื ื™ื ื‘ืฉื•ืจื” ืขื ืชื•ื•ื™ืช Z= ืœืคื ื™ ื”ืชื•ื•ื™ื•ืช *Xi+.
ื”ืจื›ื™ื‘ื™ื ืฉืœ ื”ืžื˜ืจื™ืฆื” โ€‹โ€‹ะ ืžื•ื–ื ื™ื ื‘ื˜ื‘ืœื” ื‘ืฉื Constraints ืžื•ืœ ืชื•ื•ื™ืช ื”ืฉื“ื•ืช *Xi+. ื‘ืฉื“ื” ื”ืื—ืจื•ืŸ ืฉืœ ื›ืœ ืฉื•ืจื” ืฉืœ ื”ืžื˜ืจื™ืฆื” โ€‹โ€‹ืื—ืจื™ ื”ืชื•ื•ื™ืช <= , ืžื•ื–ื ื™ื ื’ื ื”ื’ื‘ื•ืœื•ืช b ืฉืœ ื”ืื™ืœื•ืฆื™ื. ืœืื—ืจ ื”ื–ื ืช ื ืชื•ื ื™ื ืืœื• ื•ืœื—ื™ืฆื” ืขืœ ื›ืคืชื•ืจ ื”ืื™ืฉื•ืจ, ื”ื•ื ื—ื•ื–ืจ ืœืคืขื™ืœื•ืช - ืคืขื™ืœื•ืช ืžื•ื“ืœ ืœื™ื ื™ืืจื™ , ืฉื ืžื•ืคื™ืข ืฉื“ื” ื—ื•ื‘ื” ืœืฉื ื”ื“ื’ื ื•ื›ืคืชื•ืจ ืœืฉืžื™ืจื”.
ื›ืืฉืจ ื“ื’ื ื ืฉืžืจ, ื”ืฉื ืฉืœื• ืžื•ืคื™ืข ื‘ืจืฉื™ืžืช ื”ื“ื’ืžื™ื ื”ืžื•ืฆื’ื™ื ื‘ืคืขื™ืœื•ืช ื”ืจืืฉื•ื ื™ืช ืฉืœ ื”ืืคืœื™ืงืฆื™ื”. ื ื™ืชืŸ ืœืขืจื•ืš ืืช ื”ื“ื’ื ื”ื ื‘ื—ืจ ืžื”ืจืฉื™ืžื” (ื›ืคืชื•ืจ ืขืจื•ืš) ืื• ืœืคืชื•ืจ (ื›ืคืชื•ืจ ื—ืฉื‘). ืœืื—ืจ ื”ืขืจื™ื›ื” ื•ื”ืฉืžื™ืจื”, ื”ื’ืจืกื” ื”ืขืจื•ื›ื” ื ืฉืžืจืช ื›ื“ื’ื ื—ื“ืฉ, ื•ื”ื™ืฉืŸ ื ืฉืืจ ืœืœื ืฉื™ื ื•ื™ ื‘ืžืกื“ ื”ื ืชื•ื ื™ื. ื–ืืช ืขืœ ืžื ืช ืฉื ื™ืชืŸ ื™ื”ื™ื” ืœืคืชื•ืจ ืืช ืฉื ื™ ื”ืžื•ื“ืœื™ื ื•ืœื”ืฉื•ื•ืช ืืช ื”ืชื•ืฆืื•ืช. ืื ืื™ืŸ ืฆื•ืจืš ื‘ื›ืžื” ืžื”ื, ื ื™ืชืŸ ืœืžื—ื•ืง ืื•ืชื.
ื‘ืขืช ืคืชืจื•ืŸ ืžื•ื“ืœ, ื”ืชื•ืฆืื” ืžืฆื™ื’ื” ืืช ื”ืžืงืกื•ื ื•ื”ืžื–ืขื•ืจ ืฉืœ ืคื•ื ืงืฆื™ื™ืช ื”ื™ืขื“ Z ื•ื‘ืื™ืœื• ืขืจื›ื™ื ืฉืœ ื”ืืœืžื ื˜ื™ื ืฉืœ ื”ื•ื•ืงื˜ื•ืจย x ืฉื‘ื• ื–ื” ืžืชืจื—ืฉ ื•ื’ื ืื™ืœื•ืฆื™ื.
ืชืขืฉื™ื•ืช ื”ืžืฉืชืžืฉื•ืช ื‘ืžื•ื“ืœื™ื ืฉืœ ืชื›ื ื•ืช ืœื™ื ื™ืืจื™ื™ื ื›ื•ืœืœื•ืช ืชื—ื‘ื•ืจื”, ืื ืจื’ื™ื”, ื˜ืœืงื•ืžื•ื ื™ืงืฆื™ื” ื•ื™ื™ืฆื•ืจ. ื–ื” ื”ื•ื›ื— ื›ื™ืขื™ืœ ื‘ืขื™ืฆื•ื‘ ืกื•ื’ื™ื ืฉื•ื ื™ื ืฉืœ ื‘ืขื™ื•ืช ื‘ืชื›ื ื•ืŸ, ื ื™ืชื•ื‘, ืชื–ืžื•ืŸ, ื”ืงืฆืื” ื•ืขื™ืฆื•ื‘.
ื”ื™ื™ืฉื•ื ืžืฉืชืžืฉ ื‘ืžื—ืœืงืช ืื•ืคื˜ื™ืžื™ื–ืฆื™ื” SimplexSolver ืžื”ืกืคืจื™ื™ื” ื”ืกื˜ื ื“ืจื˜ื™ืช org.apache.commons:commons-math:3.6.1.
ืขื“ื›ื•ืŸ ืื—ืจื•ืŸ ื‘ืชืืจื™ืš
9 ื‘ืืคืจืณ 2026

ืื‘ื˜ื—ืช ื ืชื•ื ื™ื

ื›ื“ื™ ืœืฉืžื•ืจ ืขืœ ื”ื‘ื˜ื™ื—ื•ืช ืฆืจื™ืš ืงื•ื“ื ื›ืœ ืœื”ื‘ื™ืŸ ืื™ืš ื”ืžืคืชื—ื™ื ืื•ืกืคื™ื ื•ืžืฉืชืคื™ื ืืช ื”ื ืชื•ื ื™ื ืฉืœืš. ื ื•ื”ืœื™ ืคืจื˜ื™ื•ืช ื”ื ืชื•ื ื™ื ื•ืื‘ื˜ื—ืช ื”ื ืชื•ื ื™ื ืขืฉื•ื™ื™ื ืœื”ืฉืชื ื•ืช ื‘ื”ืชืื ืœืฉื™ืžื•ืฉ, ืœืื–ื•ืจ ื•ืœื’ื™ืœ ื”ืžืฉืชืžืฉ. ื”ืžืคืชื— ืกื™ืคืง ืืช ื”ืžื™ื“ืข ื”ื–ื” ื•ื”ื•ื ืขืฉื•ื™ ืœืขื“ื›ืŸ ืื•ืชื• ืžื“ื™ ืคืขื.

ืชืžื™ื›ื” ื‘ืืคืœื™ืงืฆื™ื”

ืžื™ื“ืข ืขืœ ืžืคืชื—ื™ ื”ืืคืœื™ืงืฆื™ื”
Ivan Zdravkov Gabrovski
ivan_gabrovsky@yahoo.com
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โ€ซืขื•ื“ ืžื‘ื™ืช ivan gabrovskiโ€Žโ€