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ÊÁѤÃÊÁÒªÔ¡ ¤ÙèÁ×Í¡ÒÃãªé ÃÒª×èÍÊÁÒªÔ¡ »¯Ô·Ô¹ ¢éͤÇÒÁÇѹ¹Õé

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  #1  
Old 30 ÁÕ¹Ò¤Á 2008, 19:39
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Default ͸ԺÒÂà¡ÕèÂǡѺ UPPER&LOWER BOUND ãËé˹èͤÃѺ

§§ÍФѺà¡ÕèÂǡѺ UPPER&LOWER BOUND ÃÇÁ¶Ö§àÃ×èͧ supremum&infimum ´éǤÃѺ
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  #2  
Old 30 ÁÕ¹Ò¤Á 2008, 20:21
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M@gpie M@gpie äÁèÍÂÙèã¹Ãкº
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¹ÔÂÒÁ ãËé $A\subseteq \mathbb{R}$ Upper bound ¢Í§ $A$ ¤×Í ¨Ó¹Ç¹¨ÃÔ§ $M$ ·Õè·ÓãËé ·Ø¡ÊÁÒªÔ¡ã¹ $A$ ¹éÍ¡ÇèÒ $M$
Êèǹ supremum ¤×Í upper bound ·Õè¹éÍ·ÕèÊØ´
àªè¹ $A=(0,1)$ upper bound ¢Í§ $A$ ¤×Í ·Ø¡¨Ó¹Ç¹ã¹ªèǧ $[1,\infty ) $ áµè $\sup A = 1$
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PaTa PatA pAtA Pon!

30 ÁÕ¹Ò¤Á 2008 20:23 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ M@gpie
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #3  
Old 30 ÁÕ¹Ò¤Á 2008, 20:47
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¢Íº¤Ø³¤ÃѺ...Í×ÁáÅé§lower ËÅФÃѺ
ÊèǹªèǧËÅФÃѺÁռŴéǪèÒÂäËÁ¤ÃѺ
EX. (0,1] à¤éÒãËéËÒ inf,sup,min,max
***ÁÕ¢éÍÁÙÅ ËÃ×Íà¹×éÍËÒÁ˹ѧÊ×Í µÃ§ä˹ãËé¼ÁÍèÒ¹äËÁ¤ÃѺ***
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µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #4  
Old 30 ÁÕ¹Ò¤Á 2008, 21:19
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M@gpie M@gpie äÁèÍÂÙèã¹Ãкº
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ÁÕ¼Åá¹è¹Í¹¤ÃѺ ¢Ö鹡Ѻ૵ ¢éÍÁÙŶéÒµéͧ¡ÒÃẺ¾ÔÊÙ¨¹ì´éÇÂËÒä´éµÒÁ˹ѧÊ×Í Analysis ·ÑèÇ令ÃѺ
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PaTa PatA pAtA Pon!
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #5  
Old 31 ÁÕ¹Ò¤Á 2008, 20:47
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Default ÂѧäÁè¤èÍÂà¤ÅÕÂÃì

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