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feixiaolin: ½ð±Ò+1 2015-01-09 11:01:36
What the paper said is not correct. 11 is not a euler Lagrange eq. Here it seems just taking the derivative. Eq 11 doesn't use 10 at all when you think 10 is an expression of P,etc.

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PreferenceforMathematics
3Â¥2015-01-09 08:47:03
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nagami

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feixiaolin: Ó¦ÖúÖ¸Êý+1 2015-01-09 11:00:40
С±¦½â·½³Ì(feixiaolin´ú·¢): ½ð±Ò+1 2015-01-09 11:01:52
feixiaolin: ½ð±Ò+2 2015-01-09 11:02:18
ÒýÓûØÌû:
3Â¥: Originally posted by ÖÕ̫֮µ¶¡ªÏþ at 2015-01-09 08:47:03
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4Â¥2015-01-09 09:23:02
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zaq123321

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4Â¥: Originally posted by nagami at 2015-01-09 09:23:02
Õâ¸ö²»ÊÇÓ¡Ë¢´íÎó£¬ÕâÑùµÄд·¨ºÏÀíµÄ¡£
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This is not true, I think.

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nagami

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ÒýÓûØÌû:
5Â¥: Originally posted by zaq123321 at 2015-01-09 11:35:20
This is not true, I think.
...

»ý·ÖIÊÇÏßÐÔ·ºº¯£¬G=I£¨F£©£¬µ¼ÊýÓëÏßÐÔ·ºº¯¿É½»»»£¬ÕâÖÖ×ö·¨Ó¦¸Ã²»»áÓÐÎÊÌâ¡£ÎïÀíºÍ»¯Ñ§ÀïÃæ¼û¹ý¶à´ÎÕâôÓã¬Ö»ÊÇ·ûºÅÊǦÄG/¦ÄP
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6Â¥2015-01-09 12:34:52
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nagami

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ÒýÓûØÌû:
5Â¥: Originally posted by zaq123321 at 2015-01-09 11:35:20
This is not true, I think.
...

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7Â¥2015-01-09 13:10:35
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zaq123321

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ÒýÓûØÌû:
6Â¥: Originally posted by nagami at 2015-01-09 12:34:52
»ý·ÖIÊÇÏßÐÔ·ºº¯£¬G=I£¨F£©£¬µ¼ÊýÓëÏßÐÔ·ºº¯¿É½»»»£¬ÕâÖÖ×ö·¨Ó¦¸Ã²»»áÓÐÎÊÌâ¡£ÎïÀíºÍ»¯Ñ§ÀïÃæ¼û¹ý¶à´ÎÕâôÓã¬Ö»ÊÇ·ûºÅÊǦÄG/¦ÄP...

See 3rd floor. It seems you are not clear what's derivatives, functional, and variation. You may want to read some books on functional analysis and calculus of variation.

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3Â¥: Originally posted by ÖÕ̫֮µ¶¡ªÏþ at 2015-01-09 08:47:03
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