"Gieseking's constant"의 두 판 사이의 차이
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(피타고라스님이 이 페이지의 위치를 <a href="/pages/5450997">three-manifolds and their invariants</a>페이지로 이동하였습니다.) |
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| + | [http://pythagoras0.springnote.com/pages/6091635 트리감마 함수(trigamma function)] | ||
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| + | <math>\psi^{(1)}(z + 1) - \psi^{(1)}(z) =-\frac{1}{z^{2}}</math> | ||
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http://mathworld.wolfram.com/GiesekingsConstant.html | http://mathworld.wolfram.com/GiesekingsConstant.html | ||
http://www.research.att.com/~njas/sequences/A143298 | http://www.research.att.com/~njas/sequences/A143298 | ||
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| + | http://www.research.att.com/~njas/sequences/A091518 | ||
http://www.wolframalpha.com/input/?i=Gieseking's+constant. | http://www.wolframalpha.com/input/?i=Gieseking's+constant. | ||
2010년 7월 29일 (목) 01:23 판
\(\psi^{(1)}(z + 1) - \psi^{(1)}(z) =-\frac{1}{z^{2}}\)
http://mathworld.wolfram.com/GiesekingsConstant.html
http://www.research.att.com/~njas/sequences/A143298
http://www.research.att.com/~njas/sequences/A091518
http://www.wolframalpha.com/input/?i=Gieseking's+constant.
http://www.wolframalpha.com/input/?i=sqrt(3)*(trigamma(1/3)-trigamma(2/3))/12
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