User Bob - Mathematics Stack Exchange

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	641 reputation	bio	website		visits	member for	2 years, 1 month
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12

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Approximation of $e^{-x}$

approximation exponentiation

aug 15 at 6:46 Jyrki Lahtonen 30.7k

3

11

votes

3

answers

770

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evaluate the last digit of $7^{7^{7^{7^{7}}}}$

jun 20 '11 at 23:17 Leonard West 11

1

5

votes

1

answer

228

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expectation of function of exponential

calculus probability-distributions definite-integral

sep 8 '11 at 0:25 robjohn♦ 59.5k

4

votes

3

answers

408

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P vs NP and Goedel

logic computer-science incompleteness

may 4 '11 at 23:34 ShyPerson 628

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3

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2

answers

63

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Introduction to Markov Random Fields

reference-request random-walk markov-process

jan 21 at 11:38 Did 103k

3

votes

2

answers

1

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Inter-arrival time distribution

probability statistics stochastic-processes

nov 24 at 18:02 Community♦ 1

3

votes

2

answers

163

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quick method to count the number of square

combinatorics puzzle

oct 10 '11 at 7:35 Quixotic 7,930

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3

votes

3

answers

170

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figuring things out in linear algebra

linear-algebra matrices

jun 28 '11 at 4:07 Gerry Myerson 85.9k

3

votes

3

answers

281

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grid puzzle about combinatorics

homework probability puzzle problem-solving

jun 15 '11 at 22:11 svenkatr 3,591

3

votes

2

answers

212

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Matrix decomposition in eigenvector product

linear-algebra eigenvalues eigenvectors

jun 14 '11 at 0:58 Community♦ 1

1

3

votes

1

answer

143

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a question about Wiener process

stochastic-processes brownian-motion

jun 11 '11 at 11:16 Did 103k

3

votes

1

answer

161

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Lower bound of the probability of minimum degree?

probability graph-theory

may 10 '11 at 3:40 Yuval Filmus 25.9k

1

3

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2

answers

156

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A variation on the $F$-distribution

statistics probability-distributions

apr 23 '11 at 16:29 cardinal 4,422

2

votes

2

answers

200

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Time series and social network analysis

sequences-and-series graph-theory correlation

dec 18 at 21:15 imbenzene 11

2

votes

1

answer

123

views

Finding the intersections of straight lines

geometry algorithms computational-geometry

aug 3 at 16:54 Community♦ 1

2

votes

1

answer

89

views

A question about sorting

computer-science computational-complexity sorting

may 24 '12 at 1:24 user17762 76.2k

2

votes

2

answers

345

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On Martingale betting system

probability statistics

nov 20 '11 at 12:47 Chris Taylor 13.2k

2

votes

1

answer

316

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interpretation of dot product of complex vectors

linear-algebra complex-numbers

sep 13 '11 at 12:26 Bob Terrell 698

2

votes

2

answers

110

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a question about Erlang/chi square distribution

statistics probability-distributions

aug 18 '11 at 21:06 Sasha 41.4k

2

votes

1

answer

54

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solving coupled discrete systems

linear-algebra convergence dynamical-systems

jun 6 '11 at 22:08 Fabian 10.7k

2

votes

1

answer

419

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Gaussian approximation of Poisson distribution

statistics probability-distributions normal-distribution

may 11 '11 at 19:36 Shai Covo 17k

2

votes

2

answers

79

views

Particular case of a differential equation

integral differential-equations

may 7 '11 at 18:38 David Kohler 410

1

2

votes

2

answers

198

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modified gamma integral

calculus integral gamma-function definite-integral

apr 29 '11 at 13:08 J. M. 38.9k

1

2

votes

1

answer

167

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Extended Lambert W function?

calculus numerical-methods exponentiation

apr 19 '11 at 23:45 Community♦ 1

1

vote

1

answer

443

views

Pattern-matching puzzle (shapes)

intuition puzzle

sep 17 at 7:35 Gerry Myerson 85.9k

1

vote

0

answers

24

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Books about Markov Models

reference-request markov-chains markov-process

sep 14 at 3:58 Bob 641

1

vote

3

answers

115

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Prediction with time-series

probability statistics stochastic-processes

jun 18 '12 at 14:45 Michael Chernick 2,606

1

vote

1

answer

194

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Probability puzzle with balls in an urn

probability puzzle

may 23 '12 at 7:00 Gerry Myerson 85.9k

1

vote

1

answer

466

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list of convergent series

calculus limit convergence power-series

may 13 '12 at 12:11 Patrick Da Silva 13.4k

1

vote

1

answer

269

views

sum of independent variables

probability statistics martingales

jan 5 '12 at 19:11 Henry 32.1k

Bob

51 Questions