User contributions for LutzL
A user with 1,187 edits. Account created on 6 October 2004.
10 August 2023
- 20:4920:49, 10 August 2023 diff hist +83 Jenkins–Traub algorithm ^m→Interpretation as inverse power iteration: The coefficients of P were introduced as a_i, use them in the companion matrix
- 15:0215:02, 10 August 2023 diff hist +828 Jenkins–Traub algorithm →Root-finding procedure: introduce the aim of obtaining an approximate factorization and the place of the H factor in it. Add and clarify motivations for the stages
5 July 2022
- 08:2208:22, 5 July 2022 diff hist +33 Talk:Wavelet transform →Completeness of a basis
- 08:2108:21, 5 July 2022 diff hist +773 Talk:Wavelet transform →Completeness of a basis: Reply Tag: Reply
22 March 2019
- 15:0515:05, 22 March 2019 diff hist −167 List of formulae involving π Undid revision 888573543 by Ketchupcoke (talk) Original research, what is the relevance/origin Tag: Undo
- 15:0015:00, 22 March 2019 diff hist +1 Leibniz formula for π Undid revision 888607185 by 124.121.210.29 (talk) Tag: Undo
- 14:4514:45, 22 March 2019 diff hist +151 Method of averaging →Non-autonomous class of systems: more examples: resolve some spacing issues, disambiguate the use of the naming of the perturbation g
7 November 2018
- 16:0616:06, 7 November 2018 diff hist +848 Talk:Cash–Karp method →multi-order estimates of stiffness: new section
6 April 2018
- 18:2718:27, 6 April 2018 diff hist −104 Beeman's algorithm →Error term: Verlet was always a method with second order global error. See the Verlet method page on how the 4th order truncation error in the second order difference formula translates to a second order global error.
21 April 2015
- 13:1813:18, 21 April 2015 diff hist +329 Talk:Technische Universität Berlin →Remove to Technische Universität Berlin
20 April 2015
- 08:4808:48, 20 April 2015 diff hist +710 Talk:Technische Universität Berlin →Remove to Technische Universität Berlin
26 March 2015
- 12:3912:39, 26 March 2015 diff hist +75 Runge–Kutta methods →Usage
27 February 2015
- 14:5614:56, 27 February 2015 diff hist +542 Talk:Horner's method →History section
25 February 2015
- 14:0114:01, 25 February 2015 diff hist +985 Talk:Horner's method →History section
14 February 2015
- 12:1412:14, 14 February 2015 diff hist +936 Talk:Horner's method →History section: new section
- 11:3311:33, 14 February 2015 diff hist −7 Laguerre's method →Definition: k is iteration number, not index of root
25 August 2014
- 09:5809:58, 25 August 2014 diff hist +46 Talk:Binomial series →redirect of Newton's binomial theorem
- 09:5609:56, 25 August 2014 diff hist +415 Talk:Binomial series →redirect of Newton's binomial theorem
- 09:5109:51, 25 August 2014 diff hist +193 Talk:Binomial series →binomial coefficient & probability relation
10 August 2014
- 00:5100:51, 10 August 2014 diff hist 0 Binomial series Signs were correct. Cumulative factors are 3/2, 1/2, -1/2, -3/2. Alternation of sign because of minus sign in 1-x^2.
4 August 2014
- 13:3513:35, 4 August 2014 diff hist −35 Graham scan Undid revision 619787969 by 89.222.253.86 (talk). RV unmotivated russian name
27 June 2014
- 22:5422:54, 27 June 2014 diff hist −102 Verlet integration Undid revision 614401757 by 86.57.191.241 (talk). Please add english documentation to the example, as it is it is obscure.
- 22:5122:51, 27 June 2014 diff hist 0 Telescoping series Undid revision 614638976 by 143.106.150.198 (talk)
23 June 2014
17 June 2014
- 17:0517:05, 17 June 2014 diff hist −899 List of formulae involving π Undid revision 613292406 by Ludwig van beethoven 9 (talk). Remove bad content
- 17:0217:02, 17 June 2014 diff hist −992 Talk:List of formulae involving π This is no place for original research or crazy ideas. Discuss at helpdesk or math-related fora.
6 June 2014
- 11:4811:48, 6 June 2014 diff hist −7 Graham scan →Pseudocode: a factor of 2 is not that important in this context
3 June 2014
- 16:1816:18, 3 June 2014 diff hist +62 Cauchy's integral formula →Example: wrote down what the new variable f is.
29 May 2014
- 10:5910:59, 29 May 2014 diff hist +40 Itô's lemma →Non-continuous semimartingales: re-break long formula to fit on the screen
- 10:5110:51, 29 May 2014 diff hist +55 Laguerre's method →Definition: Avoid division by zero, additionally, a root is found in that case
- 10:4510:45, 29 May 2014 diff hist +281 Talk:Laguerre's method →Particular case where the algorithm fails.
26 May 2014
- 07:4307:43, 26 May 2014 diff hist +28 Brent's method →References: authorlink for Dekker
- 07:3107:31, 26 May 2014 diff hist +74 Brent's method →References: chapter title for Brent
19 May 2014
- 07:0007:00, 19 May 2014 diff hist −53 Geometrical properties of polynomial roots →Other bounds: Renamed the classical bound after its classical originator Lagrange
18 May 2014
- 09:4809:48, 18 May 2014 diff hist +926 Talk:Brent's method →C# code: Move new content to the bottom of the page, answered
- 09:4709:47, 18 May 2014 diff hist −408 Talk:Brent's method →C# code
- 09:4609:46, 18 May 2014 diff hist −518 Talk:Brent's method →How about Brent's method for minimization?
- 09:4609:46, 18 May 2014 diff hist −3 Brent's method →Example code: language is now C, not Java or Csharp
- 09:4109:41, 18 May 2014 diff hist +75 Talk:Brent's method →How about Brent's method for minimization?
- 09:4009:40, 18 May 2014 diff hist +443 Talk:Brent's method →How about Brent's method for minimization?
- 09:3309:33, 18 May 2014 diff hist −2,496 Talk:Matrix (mathematics) Undid revision 608979106 by Ansathas (talk). Remove esoteric gibberish. Come back when you have reputable sources for notability.
15 May 2014
- 11:4711:47, 15 May 2014 diff hist +79 Midpoint method →top: symplectic only on Hamiltonian systems
- 11:4611:46, 15 May 2014 diff hist +1,075 Midpoint method →Derivation of the midpoint method: Add derivation of the implicit method, connection of both methods
- 09:3109:31, 15 May 2014 diff hist +257 Midpoint method →top: Add implicit midpoint method
14 May 2014
- 10:5210:52, 14 May 2014 diff hist +496 Talk:Fourier series →1/2 [f(x0+)+f(x0-)]
- 09:4709:47, 14 May 2014 diff hist −9 Geometrical properties of polynomial roots →Continuous dependence of coefficients: Hyperlink for reference
- 09:4609:46, 14 May 2014 diff hist +226 Geometrical properties of polynomial roots →Notes: body of reference linked from first section
- 09:4409:44, 14 May 2014 diff hist −184 Geometrical properties of polynomial roots →References: move reference to the notes section, linked from first section
12 May 2014
- 00:2800:28, 12 May 2014 diff hist +545 Talk:Elastic collision →Check the equation for 2D collision
- 00:2500:25, 12 May 2014 diff hist +108 Elastic collision →Two-Dimensional Collision With Two Moving Objects: undo a wrong correction, add words about scalar velocity and its connection to the vector velocity
