User contributions for HerrHartmuth

2 June 2024

• 13:2513:25, 2 June 2024 diff hist 0 m Manjaro →Release history: wrong year Tag: 2017 wikitext editor
• 13:1713:17, 2 June 2024 diff hist +718 Manjaro →Release history: included versions: 23.0 .. 24.0 Tag: 2017 wikitext editor

9 December 2020

• 12:4512:45, 9 December 2020 diff hist −95 Step response math typesetting Tag: Visual edit

30 September 2020

• 07:1107:11, 30 September 2020 diff hist +838 Talk:Crank–Nicolson method →Typesetting in section "Example: 1D diffusion with advection for steady flow, with multiple channel connections": new section Tag: 2017 wikitext editor

18 September 2020

• 08:4408:44, 18 September 2020 diff hist −35 Tridiagonal matrix algorithm →Derivation: aligned equations Tag: Visual edit
• 08:4308:43, 18 September 2020 diff hist +48 Tridiagonal matrix algorithm →Variants: aligned equations Tag: Visual edit
• 08:3508:35, 18 September 2020 diff hist +96 Tridiagonal matrix algorithm →Derivation: aligned equations Tag: Visual edit

24 August 2020

• 07:2807:28, 24 August 2020 diff hist −37 Sparse matrix →Compressed sparse row (CSR, CRS or Yale format): removed question/comment in code; aligned code Tag: 2017 wikitext editor

29 July 2020

• 08:2308:23, 29 July 2020 diff hist +117 Newton's method →Code: formatted code Tag: 2017 wikitext editor

25 July 2020

• 21:3421:34, 25 July 2020 diff hist +38 Null set →Definition: nicer math typesetting Tag: 2017 wikitext editor

27 February 2020

• 20:4420:44, 27 February 2020 diff hist −2 m Hyperbolic functions →Half argument formulas: math typesetting Tag: 2017 wikitext editor

20 February 2020

• 16:2716:27, 20 February 2020 diff hist +91 Sutherland–Hodgman algorithm →External links: added rosetta code Tag: 2017 wikitext editor

10 February 2020

• 21:0921:09, 10 February 2020 diff hist +35 Curvature →In terms of arc-length parametrization: center of curvature depends on curve position Tag: 2017 wikitext editor
• 20:5920:59, 10 February 2020 diff hist +2 Curvature →Circle: error in text: argument needs d(gamma)/ds instead of gamma Tag: 2017 wikitext editor

17 January 2020

• 12:1712:17, 17 January 2020 diff hist −215 m Talk:Annulus (mathematics) →Segment/section of annulus Tag: 2017 wikitext editor

10 January 2020

• 08:1308:13, 10 January 2020 diff hist +261 Talk:Annulus (mathematics) →Segment/section of annulus: new section Tag: 2017 wikitext editor

8 January 2020

• 07:5407:54, 8 January 2020 diff hist 0 Ecosia alexa ranking Tag: 2017 wikitext editor

19 December 2019

• 08:1308:13, 19 December 2019 diff hist −10 Arg max →Arg min: simplified definition Tag: 2017 wikitext editor
• 08:1108:11, 19 December 2019 diff hist +6 m Arg max →Arg min: math typesetting Tag: 2017 wikitext editor

6 December 2019

• 09:0409:04, 6 December 2019 diff hist −215 m Talk:Matrix exponential →Matrix-vector product Tag: 2017 wikitext editor
• 09:0309:03, 6 December 2019 diff hist +329 Talk:Analytic function of a matrix →Matrix-vector product: new section Tag: 2017 wikitext editor
• 08:5308:53, 6 December 2019 diff hist +429 Talk:Matrix exponential →Matrix-vector product: new section Tag: 2017 wikitext editor
• 08:0808:08, 6 December 2019 diff hist +1 m Tridiagonal matrix →Similarity to symmetric tridiagonal matrix: unsymmetric -> nonsymmetric Tag: 2017 wikitext editor

5 December 2019

• 09:3809:38, 5 December 2019 diff hist +2 m Square root of a matrix →By Schur decomposition: typos Tag: 2017 wikitext editor
• 09:3709:37, 5 December 2019 diff hist +785 Square root of a matrix →Computation methods: added schur decomposition Tag: 2017 wikitext editor
• 08:2208:22, 5 December 2019 diff hist +414 Square root of a matrix →By the Babylonian method: added derivation by Newton's method Tag: 2017 wikitext editor

26 November 2019

• 08:0208:02, 26 November 2019 diff hist −42 Pentadiagonal matrix rewrote introduction Tag: 2017 wikitext editor

13 November 2019

• 08:0808:08, 13 November 2019 diff hist +344 Talk:Tridiagonal matrix →Introduction with general form: new section Tag: 2017 wikitext editor

6 November 2019

• 12:4012:40, 6 November 2019 diff hist +1 m Tridiagonal matrix →Similarity to symmetric tridiagonal matrix: grammar Tag: 2017 wikitext editor

31 October 2019

• 14:4514:45, 31 October 2019 diff hist +182 Tridiagonal matrix →Eigenvalues: added note for unsymmetric matrices Tag: 2017 wikitext editor
• 10:0710:07, 31 October 2019 diff hist −3 m Tridiagonal matrix →Similarity to symmetric tridiagonal matrix: math typesetting Tag: 2017 wikitext editor
• 10:0410:04, 31 October 2019 diff hist +11 Tridiagonal matrix →Similarity to symmetric tridiagonal matrix Tag: 2017 wikitext editor
• 10:0210:02, 31 October 2019 diff hist +1,363 Tridiagonal matrix →Properties: added section on similarity transformation Tag: 2017 wikitext editor
• 09:5909:59, 31 October 2019 diff hist −11 User:HerrHartmuth/sandbox →Similarity to symmetric tridiagonal matrix Tag: 2017 wikitext editor
• 09:5809:58, 31 October 2019 diff hist +1,123 User:HerrHartmuth/sandbox →Similarity Tag: 2017 wikitext editor
• 09:3309:33, 31 October 2019 diff hist +16 User:HerrHartmuth/sandbox No edit summary Tag: 2017 wikitext editor

17 October 2019

• 14:1714:17, 17 October 2019 diff hist −3 m Huffman coding →Formalized description: math typesetting Tag: 2017 wikitext editor

31 August 2019

• 12:0712:07, 31 August 2019 diff hist +2 m Eigendecomposition of a matrix →Examples: math typesetting
• 12:0612:06, 31 August 2019 diff hist +266 Eigendecomposition of a matrix →Examples: elaborated on polynomial functions and matrix exponential

18 August 2019

• 20:5820:58, 18 August 2019 diff hist +345 Legendre function added assocociated Legendre functions

17 August 2019

• 19:0419:04, 17 August 2019 diff hist +378 Legendre function →Legendre functions of the second kind ({{math|Qn}}): added the recursion formula
• 18:3618:36, 17 August 2019 diff hist +61 Legendre polynomials →Definition via differential equation: added interwiki link
• 18:3418:34, 17 August 2019 diff hist +87 Legendre function →Legendre functions of the second kind ({{math|Qn}}): highlighted integer degree

15 August 2019

• 07:4307:43, 15 August 2019 diff hist +198 Talk:Signal (software) →Version information: preview release

10 August 2019

• 09:5609:56, 10 August 2019 diff hist +182 Talk:Signal (software) →Version information: url found

8 August 2019

• 14:1714:17, 8 August 2019 diff hist +6 m Diagonalizable matrix →Definition: inserted spacing into eq box

7 August 2019

• 10:0210:02, 7 August 2019 diff hist +670 Talk:Toeplitz matrix No edit summary
• 10:0010:00, 7 August 2019 diff hist +470 User:HerrHartmuth/sandbox →Special Case: Tridiagonal
• 09:5009:50, 7 August 2019 diff hist +29 User:HerrHartmuth/sandbox No edit summary
• 09:4809:48, 7 August 2019 diff hist +105 Finite difference method →Example: The Laplace operator: more specific description of the 1D case: symmetric+tridiagonal+Toeplitz matrix