/tags/math/ Recent content in Math on Saleem Ansari Hugo -- gohugo.io en (c) 2024 Saleem Ansari Thu, 14 Feb 2019 00:00:27 +0530 /2019/02/14/six-sided-dice-problem/ Thu, 14 Feb 2019 00:00:27 +0530 /2019/02/14/six-sided-dice-problem/ Six sided dice problem Summary: $$ n = \sum_{k=1}^{\infty}{k*P(rolls=k)} $$ Where: $$P(rolls=k) = q^{(k-1)} * p$$ p is probability we get a 6 in k’th roll, and q^(k-1) is probability we do not get a 6 in all k-1 rolls. /2018/02/04/estimating-hard-to-invert-functions/ Sun, 04 Feb 2018 00:00:27 +0530 /2018/02/04/estimating-hard-to-invert-functions/ Estimating hard to invert functions