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Feb
18
revised Graph generated by Voronoi diagrams
major edition, problem reformulation
Apr
15
revised Introductory book about economic models with deterministic chaos
edited title
Mar
20
revised Is there efficient way of finding last number in following sequence
added 46 characters in body
Mar
20
revised Is there efficient way of finding last number in following sequence
added 84 characters in body
Mar
20
revised Is there efficient way of finding last number in following sequence
added 125 characters in body
Mar
19
revised For which minimal $k$ true is that ${4}^{k}\cdot n\leq \displaystyle\sum^{n}_{i=1}{a}_{i}^{k}\leq {5}^{k}\cdot n$, ${a}_{i}\in {1,2,3,4,5,6}$?
edited tags
Mar
19
revised For which minimal $k$ true is that ${4}^{k}\cdot n\leq \displaystyle\sum^{n}_{i=1}{a}_{i}^{k}\leq {5}^{k}\cdot n$, ${a}_{i}\in {1,2,3,4,5,6}$?
edited tags
Mar
19
revised For which minimal $k$ true is that ${4}^{k}\cdot n\leq \displaystyle\sum^{n}_{i=1}{a}_{i}^{k}\leq {5}^{k}\cdot n$, ${a}_{i}\in {1,2,3,4,5,6}$?
deleted 1 characters in body; edited tags
Mar
19
revised For which minimal $k$ true is that ${4}^{k}\cdot n\leq \displaystyle\sum^{n}_{i=1}{a}_{i}^{k}\leq {5}^{k}\cdot n$, ${a}_{i}\in {1,2,3,4,5,6}$?
edited title
Mar
19
revised For which minimal $k$ true is that ${4}^{k}\cdot n\leq \displaystyle\sum^{n}_{i=1}{a}_{i}^{k}\leq {5}^{k}\cdot n$, ${a}_{i}\in {1,2,3,4,5,6}$?
refined TeX
Feb
22
revised Might such a sequence of mathematical expectations be able to predict uncertain events?
added 51 characters in body
Feb
13
revised What is the distribution of empirical covariance between two independent normal distributions?
added 509 characters in body
Jan
28
revised $u$~$N(0,A)$ and z$|u$~$N(u,1)$ how to show that $u|z$~$N(Bz,B)$ where $B=A/(A+1)$?
deleted 61 characters in body
Jan
28
revised $u$~$N(0,A)$ and z$|u$~$N(u,1)$ how to show that $u|z$~$N(Bz,B)$ where $B=A/(A+1)$?
added 7 characters in body; edited title
Jan
28
revised $u$~$N(0,A)$ and z$|u$~$N(u,1)$ how to show that $u|z$~$N(Bz,B)$ where $B=A/(A+1)$?
edited tags
Jan
23
revised Find $C$, if $A=CBC$, where $A$,$B$,$C$ are symmetric matrices.
deleted 367 characters in body
Jan
23
revised Find $C$, if $A=CBC$, where $A$,$B$,$C$ are symmetric matrices.
idea of solution added
Jan
23
revised Find $C$, if $A=CBC$, where $A$,$B$,$C$ are symmetric matrices.
idea of solution added
Jan
23
revised Find $C$, if $A=CBC$, where $A$,$B$,$C$ are symmetric matrices.
added 21 characters in body
Aug
8
revised What is the sum of $\sum\limits_{i=1}^{n}ip^i$?
added 128 characters in body