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iάÊý

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hank612

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͵͵ÎÊÒ»ÏÂ, In[60]ÖÐÄǸö¼¶ÊýÔÚa=0+´¦½¥½üÕ¹¿ªÊDz»ÊǵÈÓÚ(asymptotic expansion)

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2Â¥2016-06-09 05:47:42
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hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by hank612 at 2016-06-09 05:47:42
͵͵ÎÊÒ»ÏÂ, InÖÐÄǸö¼¶ÊýÔÚa=0+´¦½¥½üÕ¹¿ªÊDz»ÊǵÈÓÚ(asymptotic expansion)

\sqrt{2\pi}a^{-\frac{1}{4}}(1+\sum_{k=1}^{\infty}\frac{a^k}{k!}\prod_{m=1}^k ((2k-1)^2-\frac{1}{4}))?

ÎÒÖ»ÖªµÀµÚÒ»ÏîºÍµÚ ...

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In[60]ÖÐÄǸö¼¶ÊýÔÚa=0+´¦½¥½üÕ¹¿ªÊDz»ÊǵÈÓÚ

We_must_know. We_will_know.
3Â¥2016-06-09 05:59:14
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iάÊý

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by hank612 at 2016-06-09 05:47:42
͵͵ÎÊÒ»ÏÂ, InÖÐÄǸö¼¶ÊýÔÚa=0+´¦½¥½üÕ¹¿ªÊDz»ÊǵÈÓÚ(asymptotic expansion)

\sqrt{2\pi}a^{-\frac{1}{4}}(1+\sum_{k=1}^{\infty}\frac{a^k}{k!}\prod_{m=1}^k ((2k-1)^2-\frac{1}{4}))?

ÎÒÖ»ÖªµÀµÚÒ»ÏîºÍµÚ ...

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4Â¥2016-06-09 12:12:27
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hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by iάÊý at 2016-06-09 12:12:27
лл´óÉñ£¡µÚÈýÏîÄǸöϵÊýȷʵÊÇÒ»ÑùµÄ¡£...

ÈýÏÊÇÏÓÉÙÁËЩ°¡¡£ Äܲ»ÄÜËã¸ö6£¬7 ÏҲÐí¹æÂɾͻá×Ô¼ºÌø³öÀ´£¿
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