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Old 15 ¡Ñ¹ÂÒ¹ 2007, 01:43
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Default ͸ԺÒÂà¡ÕèÂǡѺàÃ×èͧ Transform and Conquer ãËé¿Ñ§·Õ¤ÃѺ

1.Gaussian Elimination ¤×ÍÍÐääÃѺ ãªé·ÓÍÐäÃ
2.LU Decomposition ¤×ÍÍÐääÃѺ ãªé·ÓÍÐäÃ
3.Computing a Matrix Inverse ¤×ÍÍÐääÃѺ ãªé·ÓÍÐäÃ
4.Computing a Determinant ¤×ÍÍÐääÃѺ ãªé·ÓÍÐäÃ

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Old 15 ¡Ñ¹ÂÒ¹ 2007, 11:37
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1.Gaussian Elimination ¤×ÍÍÐääÃѺ ãªé·ÓÍÐäÃ
2.LU Decomposition ¤×ÍÍÐääÃѺ ãªé·ÓÍÐäÃ
3.Computing a Matrix Inverse ¤×ÍÍÐääÃѺ ãªé·ÓÍÐäÃ
4.Computing a Determinant ¤×ÍÍÐääÃѺ ãªé·ÓÍÐäÃ

µÍºáººÊÑé¹æ¡çä´é¤ÃѺ ÍÂÒ¡·ÃÒºÇèÒ¤×ÍÍÐäÃãªé·ÓÍÐäÃÍèФÃѺ
Gaussian Elimination à»ç¹¡Ãкǹ¡ÒâÑ鹵͹·Ò§¤³ÔµÈÒʵÃì ãªé㹡ÒäӹdzËÒ ¼Åà©Å¢ͧÃкºÊÁ¡ÒÃàªÔ§àÊé¹
ã¹·Ò§ Linear Algebra ÂѧÊÒÁÒö¤Ó¹Ç³ËÒ Rank ¢Í§àÁµÃÔ¡«ìä´é áÅй͡¨Ò¡¹Ñé¹ ãªéËÒ Inverse ¢Í§àÁµÃÔ¡«ì ·Õèà»ç¹
àÁµÃÔ¡«ì¨µØÃÑÊ·ÕèÊÒÁÒöËÒÍÔ¹àÇÔÃìÊä´é (invertible matrix square)

LU Decomposition à»ç¹¡ÒÃà¢Õ¹àÁµÃÔ¡«ì ãËéÍÂÙèã¹ÃÙ» ¼Å¤Ù³¢Í§àÁµÃÔ¡«ì ÊÒÁàËÅÕèÂÁÅèÒ§ (Lower tiangular matrix)
áÅÐÊÒÁàËÅÕèÂÁº¹(Uper tiangular matrix) »ÃÐ⪹ì¤×Í á¡éÃкºÊÁ¡ÒÃàªÔ§àÊé¹áÅÐËÒÍÔ¹àÇÔÃìÊ

2 ÍѹÅèÒ§¹ÕéäÁè¤èÍÂá¹è㨹ФÃѺ
Computing a Matrix Inverse ¹èÒ¨Ðá»ÅµÃ§æ¹Ð¤ÃѺ à»ç¹¡ÒäӹdzËÒÍÔ¹àÇÔÃìʢͧàÁµÃÔ¡«ì

Computing a Determinant ¹èÒ¨Ðá»ÅµÃ§æ¹Ð¤ÃѺ à»ç¹¡ÒäӹdzËÒ ´Õà·ÍÃìÁÔá¹¹·ì (Determinant) ¢Í§àÁµÃÔ¡«ì

ËÁÒÂàËµØ ã¹¡ÒÃËÒÍÔ¹àÇÃìʢͧàÁµÃÔ¡«ìÁÕËÅÒÂÇÔ¸Õ¤ÃѺ 㹧ҹáµèÅЧҹ¨ÐàËÁÒÐÊÁ¡ÑºáµèÅÐÇÔ¸Õ
㹡ÒÃËÒ Det ¡çàªè¹à´ÕÂǡѹ àªè¹ àÃÒÍÒ¨¨ÐËÒ det ¨Ò¡ÇÔ¸Õ (ËÒ â¤á¿¡àµÍÃì) ËÃ×Í ãªé¡® à¤ÃìàÁÍÃì à»ç¹µé¹
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15 ¡Ñ¹ÂÒ¹ 2007 11:45 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ mercedesbenz
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