User contributions for 50.47.104.180

11 July 2018

• 23:5823:58, 11 July 2018 diff hist +516‎ Talk:Atan2 ‎ →‎hay Purgy, would you like someone to explain the math to you?
• 19:4519:45, 11 July 2018 diff hist +302‎ Talk:Atan2 ‎ →‎hay Purgy, would you like someone to explain the math to you?
• 09:1309:13, 11 July 2018 diff hist +2,391‎ Talk:Atan2 ‎ →‎hay Purgy, would you like someone to explain the math to you?
• 03:0903:09, 11 July 2018 diff hist +61‎ Dimensionless quantity ‎ →‎Ratios, proportions, and angles: Like "%"=1/100, "°"=\pi/180, and "grad"=\pi/200. They are all simply dimensionless scaling constants between anthropometric units and the natural dimensionless value.
• 03:0203:02, 11 July 2018 diff hist +23‎ Dimensionless quantity ‎ Missed that one.
• 01:3901:39, 11 July 2018 diff hist −248‎ Dimensionless quantity ‎ Not helpful. Units are not dimensions. Dimensionless expression of otherwise dimensionful physical quantities are ratios of like-dimensioned quantity.

10 July 2018

• 18:2518:25, 10 July 2018 diff hist −59‎ Talk:Atan2 ‎ →‎hay Purgy, would you like someone to explain the math to you?
• 18:2018:20, 10 July 2018 diff hist +754‎ Talk:Atan2 ‎ →‎hay Purgy, would you like someone to explain the math to you?: new section
• 18:1918:19, 10 July 2018 diff hist −340‎ Atan2 ‎ →‎Definition and computation: Returned valid and useful expression for atan2(y,x) that was spuriously deleted.
• 08:3808:38, 10 July 2018 diff hist +56‎ Atan2 ‎ →‎Definition and computation: Change it to Arctan()
• 08:3608:36, 10 July 2018 diff hist +439‎ Atan2 ‎ →‎Definition and computation: Returned valid and useful expression for atan2(y,x) that was spuriously deleted.

9 July 2018

• 05:0105:01, 9 July 2018 diff hist +308‎ Talk:Volume of an n-ball ‎ →‎Relation with surface area
• 04:4504:45, 9 July 2018 diff hist +764‎ Talk:Volume of an n-ball ‎ →‎Relation with surface area: new section
• 04:3304:33, 9 July 2018 diff hist +12‎ Volume of an n-ball ‎ →‎Relation with surface area

22 June 2018

• 02:3202:32, 22 June 2018 diff hist +109‎ Planck units ‎ →‎Alternative choices of normalization: References to "rationalized" units in Lorentz–Heaviside_units to support the discussion regarding placement of 4{{pi}}.

20 June 2018

• 22:0222:02, 20 June 2018 diff hist −31‎ Floor and ceiling functions ‎ →‎Equivalences: we should use the proper symbols.
• 21:1321:13, 20 June 2018 diff hist +8‎ Floor and ceiling functions ‎No edit summary
• 21:1221:12, 20 June 2018 diff hist +32‎ Floor and ceiling functions ‎ "ceiling(x)" is a notation i cannot find a reference to. they are all "ceil(x)".

5 June 2018

• 01:4401:44, 5 June 2018 diff hist +233‎ Dimensionless quantity ‎ →‎Dimensionless physical constants
• 01:4101:41, 5 June 2018 diff hist +221‎ Dimensionless quantity ‎ →‎Dimensionless physical constants

4 June 2018

• 22:2522:25, 4 June 2018 diff hist −2‎ Dimensionless quantity ‎ →‎Pure numbers: I think this is also better. i = Imaginary unit.
• 18:3418:34, 4 June 2018 diff hist +22‎ Dimensionless quantity ‎ Undid revision 844078895 by Markh.98 (talk) Avogadro's number is the dimensionless number 6.022140857×10^(23) objects. Given the current definition of a mole, it is not a certain number. But it is dimensionless. Tag: Undo

23 May 2018

• 08:1308:13, 23 May 2018 diff hist +116‎ Talk:Stefan Halper ‎ →‎Early life: Forgot to sign.
• 08:1108:11, 23 May 2018 diff hist +1,444‎ Talk:Stefan Halper ‎ →‎Sentence chronology should reflect event chronolgy: new section

8 May 2018

• 18:4118:41, 8 May 2018 diff hist +54‎ Cauchy principal value ‎ →‎Nomenclature

7 May 2018

• 21:5021:50, 7 May 2018 diff hist +387‎ Lookup table ‎ →‎Computing sines: Added a note about using better than linear interpolation.
• 21:3821:38, 7 May 2018 diff hist +204‎ Cubic Hermite spline ‎ →‎Interpolation on the unit interval with matched derivatives at endpoints
• 21:3021:30, 7 May 2018 diff hist +339‎ Cubic Hermite spline ‎ →‎Interpolation on the unit interval with matched derivatives at endpoints: Expand to a more useful formula, when used in practice.

12 March 2018

• 05:1805:18, 12 March 2018 diff hist +342‎ Recursive least squares filter ‎ →‎Motivation
• 05:0805:08, 12 March 2018 diff hist +21‎ Recursive least squares filter ‎ →‎Motivation: Make clear the shape (row vs. column vectors) the salient w and x vectors are. Remove first person pronouns.
• 04:5904:59, 12 March 2018 diff hist +338‎ Recursive least squares filter ‎ →‎Motivation

16 February 2018

• 11:4211:42, 16 February 2018 diff hist −2‎ Capital punishment in Florida ‎ →‎Executions: Correct town.
• 00:2900:29, 16 February 2018 diff hist +6‎ Triangular function ‎ →‎Definitions

15 February 2018

• 23:0023:00, 15 February 2018 diff hist +1‎ Triangular function ‎ →‎Definitions
• 22:4522:45, 15 February 2018 diff hist +649‎ Triangular function ‎ →‎Definitions: Clean definition a bit.
• 08:1308:13, 15 February 2018 diff hist −49‎ Lockdown ‎ The reason given for the 9-11 closing of American airspace was not that.
• 01:3101:31, 15 February 2018 diff hist +123‎ On Point ‎No edit summary