User contributions for 24.61.185.230

1 November 2021

• 14:3114:31, 1 November 2021 diff hist −8 Singular value decomposition →Calculating the SVD: a mistake corrected

12 September 2021

• 19:3319:33, 12 September 2021 diff hist +124 1958 Tybee Island mid-air collision Info added. Tags: Reverted Mobile edit Mobile web edit

8 September 2021

• 19:0919:09, 8 September 2021 diff hist +831 Spectral clustering →Algorithms: turned a paragraph into a separate section, with updated citations
• 18:2818:28, 8 September 2021 diff hist +2,007 Segmentation-based object categorization →Computational Complexity: added a section on Software Implementations
• 18:1918:19, 8 September 2021 diff hist +1,083 LOBPCG →Image segmentation: updated a dead reference + light edit
• 17:2017:20, 8 September 2021 diff hist +50 Image segmentation →Graph partitioning methods: added a link to Segmentation-based object categorization

16 August 2021

• 17:0617:06, 16 August 2021 diff hist +478 LOBPCG →Applications: added Sphynx info, moved Data mining section to the top

11 August 2021

• 03:0403:04, 11 August 2021 diff hist +581 Conjugate gradient method →Explicit residual calculation: Added into on residual use for stopping

9 August 2021

• 15:0215:02, 9 August 2021 diff hist +1,147 Galerkin method →Proof: added a section of the best approximation
• 14:2814:28, 9 August 2021 diff hist +23 Galerkin method →Matrix form: minor

6 August 2021

• 23:1023:10, 6 August 2021 diff hist −1 Galerkin method →Linear operator equation in a Hilbert space: light edit
• 22:2922:29, 6 August 2021 diff hist +29 Galerkin method →Example: matrix linear system: typos fixed
• 22:1622:16, 6 August 2021 diff hist 0 Galerkin method →Example: matrix linear system: a typo fixed
• 22:1422:14, 6 August 2021 diff hist −24 Galerkin method removed "technical" template since a simple example now introduces the method
• 22:1222:12, 6 August 2021 diff hist +1,197 Galerkin method →Example: matrix linear system: completed with bilinear form description etc
• 21:3421:34, 6 August 2021 diff hist +178 Galerkin method →Example: matrix linear system: finished the example
• 21:1821:18, 6 August 2021 diff hist +1,015 Galerkin method →Introduction with an abstract problem: renamed to Linear operator equation in a Hilbert space and started with a simple matrix example

12 July 2021

• 14:5514:55, 12 July 2021 diff hist +101 Andrei Knyazev (mathematician) links added

2 July 2021

• 14:5614:56, 2 July 2021 diff hist −24 Preconditioner →Linear preconditioning: light edit
• 14:4914:49, 2 July 2021 diff hist +991 Preconditioner →Description: light edit, add two--sided preconditioning, and mention computer precision

16 June 2021

• 20:0620:06, 16 June 2021 diff hist −99 Rayleigh–Ritz method drop 2 tags as both issues have been addressed in the most recent edits

4 June 2021

• 21:0821:08, 4 June 2021 diff hist −71 Andrei Knyazev (mathematician) removed personal information and irrelevant "See also", added researchgate link Tag: possible birth or death date change

17 May 2021

• 02:1402:14, 17 May 2021 diff hist −18 LOBPCG Removed a misleading assumption. Tags: Mobile edit Mobile web edit

26 April 2021

• 21:0521:05, 26 April 2021 diff hist +644 Rufus Lamson House added info on "The Lamson Building". light editing

6 April 2021

• 19:0619:06, 6 April 2021 diff hist −117 Petrov–Galerkin method the clean up tag removed
• 19:0419:04, 6 April 2021 diff hist +3,247 Petrov–Galerkin method Added an actual description of the method in an abstract form
• 16:2816:28, 6 April 2021 diff hist +186 Petrov–Galerkin method light editing of Introduction, explaining the difference with Bubnov-Galerkin method
• 16:0516:05, 6 April 2021 diff hist +949 Galerkin method some editing of Introduction to improve structure and readability, also explaining the difference between various Galerkin methods

1 April 2021

• 17:2917:29, 1 April 2021 diff hist −21 Talk:Conjugate gradient method →dead link correction for LSQR: fixed
• 17:2717:27, 1 April 2021 diff hist +54 Conjugate gradient method →Conjugate gradient on the normal equations: https://web.stanford.edu/group/SOL/software/lsqr/ link added as suggested in the Talk

27 March 2021

• 21:0921:09, 27 March 2021 diff hist +379 Gradient descent →Momentum: added info on the classical "heavy ball" method and convergence speed + some editing
• 20:2220:22, 27 March 2021 diff hist +309 Gradient descent →Extensions: Renamed "extensions" into "modifications" and moved true extensions to a new section. Light editing
• 18:1218:12, 27 March 2021 diff hist +19 Gradient descent added a reference
• 18:1018:10, 27 March 2021 diff hist +11 Gradient descent →Comments: added a name to a reference
• 18:0218:02, 27 March 2021 diff hist +57 Gradient descent added a reference to Polyak and traditional name "steepest descent"
• 17:5517:55, 27 March 2021 diff hist +252 Gradient descent →Solution of a linear system: added a reference to Polyak

23 March 2021

• 19:5319:53, 23 March 2021 diff hist −453 Rayleigh–Ritz method →Notes and references: removed 1 reference no longer used
• 19:4719:47, 23 March 2021 diff hist +1,535 Rayleigh–Ritz method →Algorithm description for matrices: added examples
• 17:0117:01, 23 March 2021 diff hist +525 Rayleigh–Ritz method →Algorithm description for matrices: added connection of Ritz values to the Rayleigh quotient
• 15:0315:03, 23 March 2021 diff hist +647 Rayleigh–Ritz method →Algorithm description for matrices: added the case m=1

21 March 2021

• 21:5921:59, 21 March 2021 diff hist +355 Rayleigh–Ritz method →Description of method: simplified and corrected description of the algorithm
• 20:4420:44, 21 March 2021 diff hist +4 Rayleigh–Ritz method →Description of method: fixed the structure of the sections
• 20:0620:06, 21 March 2021 diff hist +466 Rayleigh–Ritz method updated the introduction adding info on the Ritz method and the Ritz-Galerkin method
• 20:0420:04, 21 March 2021 diff hist +35 Ritz method minor editing
• 17:2117:21, 21 March 2021 diff hist +1,139 Rayleigh–Ritz method clarification on the history, with more references added, in the introduction

17 March 2021

• 19:4819:48, 17 March 2021 diff hist +412 Graph partition →Spectral partitioning and spectral bisection: added a reference to the case of negative weights
• 19:2919:29, 17 March 2021 diff hist +602 Spectral clustering →Algorithms: added reference url
• 19:0119:01, 17 March 2021 diff hist +54 Multigrid method →Multigrid preconditioning: added url doi to references
• 18:5218:52, 17 March 2021 diff hist +40 Conjugate gradient method →The flexible preconditioned conjugate gradient method: added reference doi and url
• 18:4718:47, 17 March 2021 diff hist +57 Preconditioner →Preconditioning for eigenvalue problems: added reference url