1. rbf@trinitas.mju.ac.kr
ÀÇ
¸ñÀû [ English
]
ÇÑ°³ÀÇ Gaussian polynomialÀ» m ¹ø °öÇÑ
´ÙÇ×½Ä
(*) (1+t+t^2+...+t^(q-1))^m
ÀÇ ¸ðµç °è¼ö¸¦
°è»êÇÏ¿© ±× °á°ú¸¦ ÀüÀÚ¸ÞÀÏ·Î º¸³»
ÁÜ.
2. ¼Ò°³
q*m ÀÌ Ä¿Áü¿¡ µû¶ó À§ÀÇ ¼ö½Ä (*) ÀÇ
¸ðµç °è¼ö¸¦ ±¸ÇÏ´Â °ÍÀÌ ¸Å¿ì
¾î·Á¿öÁø´Ù. ÃÖ±Ù¿¡ ¼Ò¼øÅ ±³¼ö´Â À§
¼ö½ÄÀÇ °è¼ö¸¦ ¸Å¿ì È¿°úÀûÀ¸·Î
°è»êÇÒ ¼ö ÀÖ´Â Á¡È½Ä ÇüÅÂÀÇ °ø½ÄÀ»
¹ß°ßÇÏ¿´À¸¸ç, ÀÌ °ø½ÄÀ» Recursive
Binomial Formula ¶ó°í ºÎ¸¥´Ù.
Soh's
recursive binomial formula for (*)
ÀÌ °ø½ÄÀº q = 2 ÀÏ ¶§µµ,
³Î¸® ¾Ë·ÁÁø ¾Ë·ÁÁø Binomial Formula¿Í´Â
´Þ¸®, Ç×»ó Á¡È½Ä ÇüÅÂÀÌ´Ù.
¿©±â¼´Â ÀÌ °ø½ÄÀ» »ç¿ëÇÏ¿© À§ ¼ö½Ä
(*)ÀÇ ´ÙÇ×½ÄÀÇ ¸ðµç °è¼ö¸¦ °è»êÇÑ´Ù.
Recursive Binomial FormulaÀÇ time efficiency ´Â
O(m^2) ·Î¼ ¸Å¿ì È¿À²ÀûÀÌ´Ù.
3. ±â¿©ÀÚ: ÇöÀç »ç¿ë ÁßÀÎ
ÇÁ·Î±×·¥Àº ¸íÁö´ëÇб³ ¼öÇаú
¼Ò¼øÅÂ ±³¼ö°¡ Computer Algebra System (CAS)
ÀÎ Reduce¸¦ »ç¿ëÇÏ¿© ±¸ÃàÇÏ¿´´Ù.
4. Note
Á¢¼öµÈ ÀüÀÚ¸ÞÀÏÀ» ¿¡·¯¾øÀÌ
ó¸®Çϱâ À§ÇÏ¿©, Microsoft »çÀÇ Outlook
Express¿¡¼ New mail > Alt+O > Alt+X (with
No Encryption) À» »ç¿ëÇÏ¿© rbf@trinitas.mju.ac.kr
·Î ´ÙÀ½ÀÇ Á¦ 5Ç×ÀÇ ¼³¸í¿¡ µû¶ó
ÀÛ¼ºÇÑ ÀüÀÚ¸ÞÀÏÀ» º¸³¾ °ÍÀ» Àû±Ø ±ÇÀåÇÑ´Ù.
5. ÀüÀÚ¸ÞÀÏÀ»
º¸³»´Â ¹æ¹ý: º»¹®ÀÌ, ¿¹¸¦
µé¾î,
input:
q:=12$
m:=34$
end input:
À¸·Î ÀÌ·ç¾îÁø plain-text
¾ç½ÄÀÇ ÀüÀÚ¸ÞÀÏ (¿¹¸¦ µé¾î, Microsoft
Outlook Express ÀÏ °æ¿ì¿¡´Â New mail > Alt+o
> Alt+x (with No Encryption)) À» rbf@trinitas.mju.ac.kr
·Î º¸³½´Ù. ±×·¯¸é, ÀüÀÚ¸ÞÀÏÀÇ µµÂø
Áï½Ã À§ ¼ö½Ä (*) ÀÇ ¸ðµç °è¼ö¸¦
°è»êÇÏ¿© ±×
°á°ú¿Í º» ¼¹ö¿¡¼ Àüü °è»ê¿¡ ¼Ò¿äµÈ ½Ã°£(timex
report)À» ´ãÀº ÀüÀÚ¸ÞÀÏÀ» ¼Û½ÅÀÚ¿¡°Ô Áï½Ã
¹ß¼ÛÇÔ.
[ÁÖÀÇ] º¹ÀâÇÏÁö
¾ÊÀº °è»êÀ» À§ ÀüÀÚ¸ÞÀÏ ÁÖ¼Ò·Î
ÀÇ·ÚÇÏ¿´À» °æ¿ì¿¡´Â ´ë°³ 3 - 4 ºÐ
À̳»¿¡ °á°ú¸¦ ¹Þ¾Æ º¼ ¼ö
ÀÖ½À´Ï´Ù. ±×·¯³ª, ÀÇ·ÚÇÑ °è»êÀ»
¼öÇàÇÑ ÈÄ ±× °è»ê°á°ú¸¦ ´ä½ÅÀ¸·Î¼
¼Û½ÅÀÚ¿¡°Ô º¸³» µå·ÈÀ¸³ª, (i)
¼Û½ÅÀÚÀÇ ÁÖ¼Ò°¡ Ʋ¸®°Å³ª (ii) ȤÀº
¼Û½ÅÀÚÀÇ ÀüÀÚ¸ÞÀÏ ÅëÀÌ ´Ù¸¥
ÀüÀÚ¸ÞÀÏ·Î °¡µæ Â÷ ÀÖ¾î, ¼Û½ÅÀÚ
Ãø¿¡ Á¦´ë·Î Á¢¼ö°¡ µÇÁö ¾Ê°í µÇµ¹¾Æ
¿À´Â °æ¿ì°¡ °£È¤ ÀÖÀ¸´Ï, À§ÀÇ Á¦ 5Ç×ÀÇ
ÀüÀÚ¸ÞÀÏ ÁÖ¼Ò·Î °è»êÀ» ÀÇ·ÚÇÑ ÈÄ
ÀÏÁ¤½Ã°£ ÀÌ»ó ±â´Ù·Áµµ ´ä½ÅÀÌ ¾øÀ»
°æ¿ì¿¡´Â, º»ÀÎÀÇ ¸ÞÀÏ°èÁ¤ÀÇ »óŸ¦
Á¡°ËÇÏ¿© À§ÀÇ (i) °ú (ii)ÀÇ ¹®Á¦¸¦
ÇØ°áÇÑ ÈÄ ´Ù½Ã ÇÑ ¹ø À§ÀÇ Á¦ 5Ç×°ú
°°ÀÌ ÀüÀÚ¸ÞÀÏÀ» º¸³» Áֽøé
µÇ°Ú½À´Ï´Ù.
6. Examples
¾Æ·¡ÀÇ ¿¹Á¦¿¡¼ "input:" °ú "end input:" »çÀÌ¿¡
ÀÖ´Â ´ÙÀ½ÀÇ inputÀ» rbf@trinitas.mju.ac.kr
·Î ¸ÞÀÏ·Î º¸³»¸é, °è»ê°á°ú¸¦ °ð ¹Þ¾Æ º¼ ¼ö ÀÖ½À´Ï´Ù.
¾Æ·¡ÀÇ °¢ ¿¹Á¦µé¿¡ ´ëÇÑ ÀÚ¼¼ÇÑ °è»ê°á°ú¸¦ º¸°í ½ÍÀ¸¸é
Áß°£Á¦¸ñÀ» Ŭ¸¯Çϼ¼¿ä.
6-1. Example 1
(Click here for the details)
input:
q:=101$
m:=20$
end input:
output file size: 46KB
comment The following is the
timex report of the system for the above
computation (in seconds):
real
1.10
user
0.95
sys
0.14
$
6-2. Example 2
(Click here for the details)
input:
q:=101$
m:=40$
end input:
output file size: 163KB
comment The following is the
timex report of the system for the above
computation (in seconds):
real
3.42
user
3.12
sys
0.30
$
6-3. Example 3
(Click here for the details)
input:
q:=101$
m:=80$
end input:
output file size: 606KB
comment The following is the
timex report of the system for the above
computation (in seconds):
real 12.26
user 11.30
sys
0.88
$
6-4. Example 4 (Click
here for the details)
input:
q:=101$
m:=160$
end input:
output file size: 2.3MB
comment The following is the timex report of the system for the above computation (in seconds):
real 45.00
user 42.77
sys 2.06
$¡¡
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