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xuyx_78

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machiant: ½ð±Ò+1 2012-05-04 15:28:33
ÄǸöʽ×ÓÖеÄTÓ¦µ±ÊÇ1/6(ÒòΪF(x)=f(x+1/6)-f(x),F(x+1/6)=f(x+2/6)-f(x+1/6),...,F(x+(n-1)/6)=f(x+(n-1)/6)-f(x+(n-2)/6),ÒÔÉÏÖîʽÏà¼Ó±ã¿ÉµÃF(x)+F(x+1/6)+...+F(x+(n-1)/6)=f(x+(n-1)/6)-f(x)),Óɴ˺óÃæµÃµ½f(x)ÖÜÆÚÓ¦µ±ÊÇ1/6.Ö®ËùÒÔÊÂÏÈ˵Ã÷T=1/7ÊÇF(x)µÄÖÜÆÚ,ÊÇΪÁ˺óÃæËµÃ÷F(x)=0×÷×¼±¸.
ÔÚµÚ¶þ²¿·ÖÖÐÓ¦µ±ÁîF(x)=f(x+1/7)-f(x).
2Â¥2012-05-01 22:26:35
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laosam280

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3Â¥2012-05-01 23:22:49
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machiant

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ÒýÓûØÌû:
2Â¥: Originally posted by xuyx_78 at 2012-05-01 22:26:35:
ÄǸöʽ×ÓÖеÄTÓ¦µ±ÊÇ1/6(ÒòΪF(x)=f(x+1/6)-f(x),F(x+1/6)=f(x+2/6)-f(x+1/6),...,F(x+(n-1)/6)=f(x+(n-1)/6)-f(x+(n-2)/6),ÒÔÉÏÖîʽÏà¼Ó±ã¿ÉµÃF(x)+F(x+1/6)+...+F(x+(n-1)/6)=f(x+(n-1)/6)-f(x)),Óɴ˺óÃæµÃµ½f ...

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4Â¥2012-05-04 15:28:47
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machiant

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ÒýÓûØÌû:
3Â¥: Originally posted by laosam280 at 2012-05-01 23:22:49:
ÒòΪ13/42=1/7+1/6£¬ËùÒÔ1/7ºÍ1/6¶¼ÊÇÖÜÆÚ£»¸ù¾ÝÖÜÆÚº¯ÊýµÄÐÔÖÊ£ºf(x+1/6)=f(x+1/7)£¬Ôò¿ÉµÃ£ºf(t)=f(t-1/7+1/6)£¬¹Ê¶ø1/42Ò²ÊÇÖÜÆÚ£¬½ø¶ø5/42Ò²ÊÇÖÜÆÚ¡£¡£¡£µ«ÊÇ×îСµÄÕýÖÜÆÚÊÇ1/42

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5Â¥2012-05-04 15:29:06
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