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Q & A ... °Ô½ÃÆÇ  (Optimization)


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    ÀúÈñ KSTECÀÇ Á¦Ç°À̳ª ¼­ºñ½º¿¡ ´ëÇØ ±Ã±ÝÇϽŠÁ¡À̳ª ±â¼úÁö¿øÀ» ¿øÇϽô °í°´´ÔÀº ȸ»ç¸í,
    ºÎ¼­¸í, ¼º¸í, »ç¿ëÁ¦Ç°¸í, Á¦Ç° VERSIONÀ» ¸í½ÃÇÏ¿© Áֽñ⠹ٶø´Ï´Ù.

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¡Ø ÇØ´çµÇ´Â Á¦Ç°±ºÀ» ¼±ÅÃÇϽŠÈÄ ÇÏ°í ½ÍÀ¸½Å ¸»¾¸À» Àû¾î ÁֽʽÿÀ.

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Disjunctive ConstraintÀÇ LPÆÄÀÏ¿¡¼­ÀÇ Ç¥Çö ¹æ½Ä.
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2008-02-27
Á¶È¸¼ö 1374 È¸
÷ºÎÆÄÀÏ Ã·ºÎµÈ ÆÄÀϾøÀ½.
¸ÕÀú ¹®ÀÇÇϽŠDisjunctive Á¦¾àÀÇ Ç¥Çö ¹× ÀÛ¿ë¿¡ ´ëÇÑ ¼ö½ÄÀûÀÎ ÀÌÇØ°¡ Á¤È®ÇÏ°Ô ¼±ÇàµÇ¸é ÁÁÀ» °Í °°½À´Ï´Ù.

ct31_0,0,3: id2496 + id2498 >= 1

i5: id2496 = 1 <-> - m2t(0)(1) + ut(3)(0) >= 6 --- (1)
i6: id2498 = 1 <-> - m2t(3)(1) + ut(0)(0) >= 6 --- (2)

À§¿¡¼­ ³ª¿Â Æ÷¸Ë ´ë·Î, "<->" Operator¸¦ ÅëÇØ¼­ Disjunctive Constraint°¡ Ç¥ÇöÀÌ µË´Ï´Ù. ¶ÇÇÑ ÀÌ·¸°Ô Ç¥ÇöµÈ Á¦¾àÀÇ °æ¿ì µÑ Áß Çϳª¸¸ ¸¸Á·½ÃŰ¸é µÇ´Â °ÍÀÌÁÒ.

¸¸¾à i5, i6 °¢°¢ÀÌ LPÆÄÀÏ¿¡¼­ ´Ü¼øÈ÷
i5:- m2t(0)(1) + ut(3)(0) >= 6
i6:- m2t(3)(1) + ut(0)(0) >= 6
...À§¿Í °°ÀÌ Ç¥ÇöµÇ¾ú´Ù¸é, µÑ ¸ðµÎ ´ç¿¬È÷ ¸¸Á·ÇØ¾ß Çϸç, ±×·¸Áö ¾ÊÀ» °æ¿ì InfeasibleÀÌ µË´Ï´Ù. ±×·¯³ª Disjunctive Á¦¾àÀº µÑ Áß Çϳª¸¸ ¸¸Á·ÇÏ¸é µÇ´Â °ÍÀÔ´Ï´Ù.
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"Disjunctive ConstraintÀÇ LPÆÄÀÏ¿¡¼­ÀÇ Ç¥Çö ¹æ½Ä."¿Í(°ú) °ü·ÃµÈ ±ÛÀÌ  7°Ç ÀÖ½À´Ï´Ù.
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