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Q & A ... °Ô½ÃÆÇ  (Optimization)


¡Ø ¾È³çÇϽʴϱî..?
    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.

¡Ø °Ô½ÃÇϽг»¿ë¿¡ ´ëÇØ¼­´Â ½Å¼ÓÇÏ°Ô ´äº¯ÇØ µå¸®°Ú½À´Ï´Ù.
¡Ø ÇØ´çµÇ´Â Á¦Ç°±ºÀ» ¼±ÅÃÇϽŠÈÄ ÇÏ°í ½ÍÀ¸½Å ¸»¾¸À» Àû¾î ÁֽʽÿÀ.

Á¦ ¸ñ
pseudo reduced cost¿¡ °üÇÏ¿©
ÀÛ¼ºÀÚ
±èº¹¼ø
ÀÛ¼ºÀÏ
2002-05-24
Á¶È¸¼ö 1172 È¸
÷ºÎÆÄÀÏ Ã·ºÎµÈ ÆÄÀϾøÀ½.
¾È³çÇϼ¼¿ä..

´ëÇпø¿¡¼­ Á¤¼ö °èȹ¹ýÀ» ¹è¿ì°í ÀÖ´Â ÇлýÀÔ´Ï´Ù.

¸çÄ¥Àü¿¡ branch and bound¸¦ ¹è¿ì¸é¼­,

±³¼ö´Ô²²¼­ MIP Strategy variable selectÀÇ 5°¡Áö
( -1: branch on variable with minimum infeasibility,
0: branch variable automatically selected,
1: branch on variable with maxmimum infeasibility,
2:branch based on pseudo costs,
3: strong branching,
4: branch based on pseudo reduced costs
)¸¦ ¹è¿ü½À´Ï´Ù.

±×Áß ´Ù ¼¸¹øÂ°ÀÎ pseudo reduced cost°¡ ¹«½¼ ÀǹÌÀÎÁö ¾Ë¾Æ¿À¶ó°í Çϼ̰í, cplex·Î Å×½ºÆ®µµ ÇØº¸¶ó°í Çϼ̴µ¥, ¾î¶² ÀڷḦ ºÁ¾ß ÇÒ Áö ¸ð¸£°Ú½À´Ï´Ù.

¾î¶² ¿¹¹®À» µ¹·Á¾ßÇϰí, ¹«¾ùÀ» ºÁ¾ßÇÏ´ÂÁö..
ȤÀº ¾î¶² ÀǹÌÀÎÁö ¼³¸íºÎʵ右´Ï´Ù.

¶ÇÇÑ LP¿¡¼­ÀÇ pseudo reduced cost¸¦ ¾Ë¾Æº¸¶ó°í Çϼ̴µ¥, À̵µ ¹«½¼ ÀǹÌÀÎÁö ÀÌÇØ°¡ ¾ÈµË´Ï´Ù.
°ü·Ã±Û º¸±â
"pseudo reduced cost¿¡ °üÇÏ¿©"¿Í(°ú) °ü·ÃµÈ ±ÛÀÌ  4°Ç ÀÖ½À´Ï´Ù.
pseudo reduced cost¿¡ °üÇÏ¿© ±èº¹¼ø 2002-05-24
B&BÀÇ º¯¼ö ¼±Åà Àü·« ¼Ò°æÃ¶ 2002-05-24
[RE] pseudo reduced cost¿¡ °üÇÏ¿© ±èÅÂÇö 2002-05-24
   [RE] pseudo reduced cost¿¡ °üÇÏ¿© ±èº¹¼ø 2002-05-24
   IloCplex °´Ã¼ÀÇ setParam() ÀÌ¿ë ¼Ò°æÃ¶ 2002-05-25