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Date: 14-1-2020
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Date: 31-1-2020
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Date: 9-1-2020
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Finch (2010) gives an overview of known results for random Gaussian triangles.
Let the vertices of a triangle in dimensions be normal (normal) variates. The probability that a Gaussian triangle in
dimensions is obtuse is
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(1) |
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(2) |
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(3) |
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(4) |
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(5) |
where is the gamma function,
is the hypergeometric function, and
is an incomplete beta function.
For even ,
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(6) |
(Eisenberg and Sullivan 1996).
The first few cases are explicitly
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(7) |
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(8) |
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(9) |
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(10) |
(OEIS A102519 and A102520). The even cases are therefore 3/4, 15/32, 159/512, 867/4096, ... (OEIS A102556 and A102557) and the odd cases are , where
, 9/8, 27/20, 837/560, ... (OEIS A102558 and A102559).
REFERENCES:
Eisenberg, B. and Sullivan, R. "Random Triangles Dimensions." Amer. Math. Monthly 103, 308-318, 1996.
Finch, S. "Random Triangles." http://algo.inria.fr/csolve/rtg.pdf. Jan. 21, 2010.
Sloane, N. J. A. Sequences A102519, A102520, A102556, A102557, A102558, and A102559 in "The On-Line Encyclopedia of Integer Sequences."
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"إنقاص الوزن".. مشروب تقليدي قد يتفوق على حقن "أوزيمبيك"
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الصين تحقق اختراقا بطائرة مسيرة مزودة بالذكاء الاصطناعي
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قسم شؤون المعارف ووفد من جامعة البصرة يبحثان سبل تعزيز التعاون المشترك
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