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yezhiheng10

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yezhiheng10

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2Â¥2013-07-16 12:09:27
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hank612

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yezhiheng10: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú, ½â¾öÁËÎÊÌâ 2013-07-17 08:08:02
ÒýÓûØÌû:
2Â¥: Originally posted by yezhiheng10 at 2013-07-16 12:09:27
ÉÏÃæµÄͼƬ²»Çå³þ£¬ÔÙ´«Ò»´Î£¡

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ÎÒ¾õµÃÄãÒªÇóÖ¤µÄ½áÂÛ̫ǿÁË,²»»á³ÉÁ¢µÄ. ¿ÉÒԲο¼ÏÂÃæÀý×Ó.
ÎÒÃÇ¿¼ÂǶþάÏòÁ¿¿Õ¼ä.
È¡P1ΪºãµÈ¾ØÕó. f(x,y)= (y, -x)*exp(x^4+y^4). ×ÜÖ®, fÏòÁ¿³¡ÓëÔ­À´ÏòÁ¿´¹Ö±,µ«³¤¶ÈÎÞ½ç.

ȡP2= (3 1
           1 3 ) »ù±¾ÉÏÈÎÒâÕÒÒ»¸öÕý¶¨¶Ô³ÆµÄ¾ØÕó, ˼·¶¼²î²»¶à.
Õâʱ,  
(x,y) * P2 f(x,y)
=(x,y) * (3y-x, y-3x) * exp(x^4+y^4)
=(y^2-x^2)* exp(x^4+y^4)
ÕâÊÇÖ¸Êýº¯Êý, û¿ÉÄܱ»¶þ´Î¶àÏîʽ½çסµÄ. ´Ó¶øx^T M2 xÖеÄM2 ÊDz»´æÔÚµÄ.
We_must_know. We_will_know.
3Â¥2013-07-17 02:12:50
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yezhiheng10

½û³æ (ÕýʽдÊÖ)

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4Â¥2013-07-17 08:22:36
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