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kathy2008

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dimension A(1),S(1)
E=0.000001
CONSTF=N
IN=0
Do 10 J=1,N
Do 20 I=1,N
IS=(LRA*(J-1)+I)
S(IS)=0
IF((I-J).EQ.0) S(IS)=1.0
Çë¸ßÊÖ½âÎöÒ»ÏÂCONSTFÊÇʲôÒâ˼?
IS=(LRA*(J-1)+I)
S(IS)=0
IF((I-J).EQ.0) S(IS)=1.0
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resonant(½ð±Ò+1):Ö¸µ¼·Ñ£º£­£© 2010-07-21 17:32:15
ÒýÓûØÌû:
Originally posted by kathy2008 at 2010-07-21 09:49:28:
¸³ÖµÎÒÖªµÀ¡£¹Ø¼üÊÇÓұߵÄLRA*(J-1)+IÊÇʲôÒâ˼£¿ÎªÊ²Ã´Òª°Ñ0.000001¸³Öµ¸øE£¬¶ø²»ÊÇÆäËûÖµ¡£Õâ²ÅÊÇÎÊÌâµÄ¹Ø¼ü¡£

ÄãÉÏÃæÕâÁ½¾ä»°Ö®¼äÓÐʲôÁªÏµÂ𣿠LRA*(J-1)+I Ö»ÊÇÒ»¸ö±í´ïʽ£¬ÓÃÓÚ¼ÆËã³öÒ»¸öÕûÊý£¬´ÓÄã¸ø³öµÄ´úÂëÀ´¿´£¬Ó¦¸ÃÊǼÆËãÏòÁ¿/¾ØÕóϱêµÄ±í´ïʽ¡­¡­

¶ÔÕâЩ¶«Î÷µÄÀí½âÒª½¨Á¢ÔÚÄã¶ÔËã·¨ÒѾ­Çå³þµÄ»ù´¡Ö®ÉÏ£¬·ñÔò³ÌÐòÊÇûÓа취¿´µÄ¡­¡­
5Â¥2010-07-21 10:34:56
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snoopyzhao

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

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Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
»¹ÊÇÕÒ±¾ Fortran µÄÊé¿´¿´°É£¬ºÇºÇ¡­¡­

CONSTF = N£¬±íʾ°Ñ N ¸³Öµ¸ø CONSTF Õâ¸ö±äÁ¿£¬ÖÁÓÚ CONSTF ËüÖ»ÊÇÒ»¸ö±äÁ¿µÄÃû³Æ

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IS=(LRA*(J-1)+I)
±íʾ½« (LRA*(J-1)+I) ¸³Öµ¸ø IS

S(IS)=0

±íʾ½« 0 ¸³Öµ¸ø S(IS)

IF((I-J).EQ.0) S(IS)=1.0

×÷Ò»Åжϣ¬Èç¹û I-J µÈÓÚ 0£¬ S(IS) ¾ÍµÈÓÚ 1.0
2Â¥2010-07-21 07:13:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

kathy2008

ľ³æ (ÕýʽдÊÖ)

¸³ÖµÎÒÖªµÀ¡£¹Ø¼üÊÇÓұߵÄLRA*(J-1)+IÊÇʲôÒâ˼£¿ÎªÊ²Ã´Òª°Ñ0.000001¸³Öµ¸øE£¬¶ø²»ÊÇÆäËûÖµ¡£Õâ²ÅÊÇÎÊÌâµÄ¹Ø¼ü¡£
3Â¥2010-07-21 09:49:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

snoopyzhao

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

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4Â¥2010-07-21 10:32:26
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