User contributions for Meni Rosenfeld
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A user with 6,567 edits. Account created on 22 December 2005.
27 July 2020
- 22:3722:37, 27 July 2020 diff hist −2 Asymptotic expansion →Examples: n! is not a correct part of the denominator in the expansion of erfc. Confirmed with Mathematica commands Series[Sqrt[\[Pi]] x Exp[x^2] Erfc[x], {x, \[Infinity], 30}] and Table[(-1)^n*(2 n - 1)!!/(2 x^2)^n, {n, 1, 10}]
21 July 2020
- 19:0919:09, 21 July 2020 diff hist +24 Numerical linear algebra →Singular value decomposition: The eigenvalues and singular values ''of the same matrix'' are generally unrelated. For a symmetric matrix they are equal exactly. Only if you symmetrize with AA* you get a square root relation.
23 January 2020
- 01:3801:38, 23 January 2020 diff hist +409 Wikipedia:Reference desk/Mathematics →Does a second pulley make something heavy easier to lift?
2 November 2019
- 21:4821:48, 2 November 2019 diff hist +778 Wikipedia:Reference desk/Mathematics →Trying to show that 0.999... does not equal 1
20 October 2019
- 05:0505:05, 20 October 2019 diff hist +2 m Wikipedia:Reference desk/Mathematics →Linear algebra
- 05:0505:05, 20 October 2019 diff hist −1 m Wikipedia:Reference desk/Mathematics →Linear algebra
- 05:0305:03, 20 October 2019 diff hist +1,184 Wikipedia:Reference desk/Mathematics →Linear algebra
2 October 2019
- 10:5610:56, 2 October 2019 diff hist +442 Wikipedia:Reference desk/Mathematics →Cartoon asymptotic
- 10:5010:50, 2 October 2019 diff hist +943 Wikipedia:Reference desk/Mathematics →Cartoon asymptotic
- 10:3310:33, 2 October 2019 diff hist +193 m Wikipedia:Reference desk/Mathematics →Sum of two squares; can it be factored sometimes??
- 10:3010:30, 2 October 2019 diff hist +635 Wikipedia:Reference desk/Mathematics →Sum of two squares; can it be factored sometimes??
- 10:1710:17, 2 October 2019 diff hist +160 m Wikipedia:Reference desk/Mathematics →Best way to show that the only constant curvature curves on the Euclidean plane are circles and lines
- 10:1510:15, 2 October 2019 diff hist +798 Wikipedia:Reference desk/Mathematics →Best way to show that the only constant curvature curves on the Euclidean plane are circles and lines
12 August 2019
- 15:4315:43, 12 August 2019 diff hist +4 m Wikipedia:Reference desk/Mathematics →number higher than expotentials
- 15:4215:42, 12 August 2019 diff hist 0 Wikipedia:Reference desk/Mathematics →number higher than expotentials
- 15:4115:41, 12 August 2019 diff hist +1,558 Wikipedia:Reference desk/Mathematics →number higher than expotentials
29 July 2019
28 July 2019
- 00:2600:26, 28 July 2019 diff hist +58 Wikipedia:Reference desk/Mathematics →n-body problem
- 00:2500:25, 28 July 2019 diff hist +436 Wikipedia:Reference desk/Mathematics →n-body problem
- 00:2000:20, 28 July 2019 diff hist +341 Wikipedia:Reference desk/Mathematics →n-body problem
16 April 2019
- 11:0311:03, 16 April 2019 diff hist +302 Talk:Multiplication algorithm →O(n logn): new section
25 February 2019
- 11:3111:31, 25 February 2019 diff hist +1,052 Wikipedia:Reference desk/Mathematics →General formula for \int_{-\infty}^{\infty}\frac{f(x)dx}{1+x^2} in terms of series expansion coefficients of f(x)
4 February 2019
- 18:3018:30, 4 February 2019 diff hist +131 Wikipedia:Reference desk/Mathematics →sum of cubes
- 12:5512:55, 4 February 2019 diff hist +623 Wikipedia:Reference desk/Mathematics →sum of cubes
15 January 2019
- 20:3020:30, 15 January 2019 diff hist +1 m Wikipedia:Village pump (proposals) →Proposal II: Shut down the Ref Desks
- 20:2420:24, 15 January 2019 diff hist +625 Wikipedia:Village pump (proposals) →Proposal II: Shut down the Ref Desks
- 12:4712:47, 15 January 2019 diff hist +2,776 Wikipedia:Village pump (proposals) →Proposal II: Shut down the Ref Desks
22 November 2018
25 October 2018
- 15:0715:07, 25 October 2018 diff hist +1,212 Wikipedia:Reference desk/Mathematics →Traveling salesman problem, (tsp)
1 September 2018
- 17:2317:23, 1 September 2018 diff hist +603 Wikipedia:Reference desk/Mathematics →Stupidly large numbers
30 June 2018
28 June 2018
- 21:3921:39, 28 June 2018 diff hist +9 m Wikipedia:Reference desk/Mathematics →Boltzmann Distribution
- 11:0411:04, 28 June 2018 diff hist +1,769 Wikipedia:Reference desk/Mathematics →Boltzmann Distribution
- 00:2400:24, 28 June 2018 diff hist +6 m Wikipedia:Reference desk/Mathematics →Boltzmann Distribution
- 00:2300:23, 28 June 2018 diff hist +975 Wikipedia:Reference desk/Mathematics →Boltzmann Distribution
27 June 2018
- 21:5621:56, 27 June 2018 diff hist +566 Wikipedia:Reference desk/Mathematics →Boltzmann Distribution
- 13:3513:35, 27 June 2018 diff hist +5 m Wikipedia:Reference desk/Mathematics →Boltzmann Distribution
- 13:3313:33, 27 June 2018 diff hist +194 Wikipedia:Reference desk/Mathematics →Boltzmann Distribution
- 12:4612:46, 27 June 2018 diff hist +4 m Wikipedia:Reference desk/Mathematics →Boltzmann Distribution
- 12:4412:44, 27 June 2018 diff hist 0 m Wikipedia:Reference desk/Mathematics →Boltzmann Distribution
- 12:4312:43, 27 June 2018 diff hist 0 m Wikipedia:Reference desk/Mathematics →Boltzmann Distribution
- 12:4212:42, 27 June 2018 diff hist 0 m Wikipedia:Reference desk/Mathematics →Boltzmann Distribution
- 12:4212:42, 27 June 2018 diff hist 0 m Wikipedia:Reference desk/Mathematics →Boltzmann Distribution
- 12:4112:41, 27 June 2018 diff hist 0 m Wikipedia:Reference desk/Mathematics →Boltzmann Distribution
- 12:4012:40, 27 June 2018 diff hist +3,204 Wikipedia:Reference desk/Mathematics →Boltzmann Distribution
23 June 2018
- 18:2518:25, 23 June 2018 diff hist +828 Wikipedia:Reference desk/Mathematics →Is entropy in the mind of the beholder?
22 June 2018
- 09:0609:06, 22 June 2018 diff hist +329 Wikipedia:Reference desk/Mathematics →Is entropy in the mind of the beholder?
19 June 2018
- 10:3110:31, 19 June 2018 diff hist −1 m Wikipedia:Reference desk/Mathematics →Is entropy in the mind of the beholder?
- 10:3010:30, 19 June 2018 diff hist +2,810 Wikipedia:Reference desk/Mathematics →Is entropy in the mind of the beholder?