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feixiaolin: ÒÑ´ú·¢ 2015-02-24 15:00:07
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2Â¥: Originally posted by hank612 at 2015-02-24 07:04:24
http://en.wikipedia.org/wiki/Q-Pochhammer_symbol
¿ÉÒÔ¸ø³ö¾«È·Öµ. ±ÈÈç, q=2ʱ,  ¼û¸½Í¼.

Èç¹ûÖ»ÒªÇóϽç, ×¢Òâµ½µ±0<x<0.7968ʱ, Óв»µÈʽ ln(1-x)> -2x,
http://en.wikipedia.org/wiki/Lambert ...

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sing00(feixiaolin´ú·¢): ½ð±Ò+10 2015-02-24 14:59:50
feixiaolin: ÊýѧEPI+1, http://emuch.net/bbs/viewthread.php?tid=8740247&fpage=1 2015-04-01 19:11:34
http://en.wikipedia.org/wiki/Q-Pochhammer_symbol
¿ÉÒÔ¸ø³ö¾«È·Öµ. ±ÈÈç, q=2ʱ,  ¼û¸½Í¼.

Èç¹ûÖ»ÒªÇóϽç, ×¢Òâµ½µ±0<x<0.7968ʱ, Óв»µÈʽ ln(1-x)> -2x,
http://en.wikipedia.org/wiki/Lambert_W_function

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±ÈÈç, q=2ʱ, ¾«È·ÖµÔ¼Îª 0.2887, Õâ¸öϽçΪe^(-2)=0.1353.
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Lambert W function.png

We_must_know. We_will_know.
2Â¥2015-02-24 07:04:24
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