User contributions for Doctormatt

10 October 2023

• 21:3521:35, 10 October 2023 diff hist +255 User talk:Barriea3 File:ABD AAG ag003135-001.jpg has been nominated for deletion current
• 21:3521:35, 10 October 2023 diff hist +266 N Commons:Deletion requests/File:ABD AAG ag003135-001.jpg Starting deletion request
• 21:3521:35, 10 October 2023 diff hist +162 File:ABD AAG ag003135-001.jpg Nominating for deletion

25 January 2023

• 23:0123:01, 25 January 2023 diff hist −1 File:M22 graph.svg spelling fixes in description current

18 August 2021

• 05:3605:36, 18 August 2021 diff hist 0 File:L(2,1)-coloring of C6.svg Doctormatt uploaded a new version of File:L(2,1)-coloring of C6.svg
• 05:1605:16, 18 August 2021 diff hist +219 File:L(2,1)-coloring of C6.svg ‎Added [en] caption: L(2,1) coloring of the cycle C6
• 05:1605:16, 18 August 2021 diff hist +348 N File:L(2,1)-coloring of C6.svg Uploaded own work with UploadWizard

12 February 2021

• 01:5101:51, 12 February 2021 diff hist +195 Commons:Deletion requests/File:Butterfly trans01.png thanks!

9 February 2021

• 21:1521:15, 9 February 2021 diff hist +463 Commons:Deletion requests/File:Butterfly trans01.png okay

1 June 2016

• 04:5604:56, 1 June 2016 diff hist +525 N File:Bifolium01.svg User created page with UploadWizard

17 May 2016

• 19:4919:49, 17 May 2016 diff hist +212 User talk:Doctormatt No edit summary
• 19:4719:47, 17 May 2016 diff hist −59 File:WattsCurve1.png added category; removed uncategorized notice, removed "no license" notice
• 19:4319:43, 17 May 2016 diff hist +11 File:WattsCurve1.png added public domain info

16 May 2016

• 18:1618:16, 16 May 2016 diff hist +45 User:Doctormatt No edit summary current
• 18:1518:15, 16 May 2016 diff hist +223 N File:WattsCurve1.png No edit summary

10 February 2015

• 18:0018:00, 10 February 2015 diff hist +380 N File:CissoidExample01.svg User created page with UploadWizard

21 August 2013

• 18:3918:39, 21 August 2013 diff hist +175 User talk:Doctormatt reply (added pd-self licensing tag)
• 18:3018:30, 21 August 2013 diff hist −12 File:Epicycloid-5-5.png added public domain license information; removed unlicensed tag

13 September 2010

• 06:1206:12, 13 September 2010 diff hist +376 N File:FredGuyLOC.jpg {{Information |Description={{en|1=Portrait of Fred Guy playing guitar at the Aquarium, New York, N.Y., ca. Nov. 1946.}} |Source=http://lcweb2.loc.gov/diglib/ihas/loc.natlib.gottlieb.03711/enlarge.html?page=1&size=1024&from=default&section=ver01 |Author=Wi

17 September 2007

• 21:0221:02, 17 September 2007 diff hist +194 N File:CissoidOfDiocles01.png {{Information |Description=A plot of the cissoid of diocles, with asymptote |Source=self-made |Date=17-09-07 |Author= Doctormatt }}

3 June 2007

• 04:4504:45, 3 June 2007 diff hist +199 N File:Cycloid04.png {{Information |Description=cycloid generated by rolling circle with radius 2 |Source=self-made |Date=June 2, 2007 |Author= User:Doctormatt }}
• 04:2504:25, 3 June 2007 diff hist +247 N File:Cycloid03d.svg {{Information |Description=cycloid generated with a circle of radius 2; image shows two complete arcs, and some partial arcs |Source=self-made |Date=June 2, 2007 |Author= User:Doctormatt }}
• 02:3802:38, 3 June 2007 diff hist +205 N File:CycloidAnim04.gif {{Information |Description=animation of rolling circle generating a cycloid; black and white, anti-aliased |Source=own work |Date=6/2/07 |Author=Matthew Conroy }}

18 March 2007

• 05:4805:48, 18 March 2007 diff hist +170 N File:BurningShip02.png A zoom-in (to the lower left) of the burning ship fractal, showing a "burning ship" and self-similarity to the complete fractal.
• 05:4705:47, 18 March 2007 diff hist +100 N File:BurningShip01.png A view of the complete burning ship fractal, in greyscale.

17 March 2007

• 22:2022:20, 17 March 2007 diff hist +170 N File:Atriph05.svg An atriphtaloid with a=3 and b=2. Created in OS X Grapher as eps file, converted to svg with pstoedit, corrected in Inkscape.
• 22:0122:01, 17 March 2007 diff hist +170 N File:Atriph03.svg An atriphtaloid with a=3 and b=2. Created in OS X Grapher as eps file, converted to svg with pstoedit, corrected in Inkscape.
• 21:5821:58, 17 March 2007 diff hist +170 N File:Atriph02.svg An atriphtaloid with a=3 and b=2. Created in OS X Grapher as eps file, converted to svg with pstoedit, corrected in Inkscape.

15 March 2007

• 17:0917:09, 15 March 2007 diff hist +50 N File:Gub01test.svg test svg
• 16:5116:51, 15 March 2007 diff hist +157 N File:Rose08.png An 8-petaled rose curve; the curve r=cos(4 theta). Generated with gnuplot, converted to png with GraphicConverter.
• 16:4616:46, 15 March 2007 diff hist +154 N File:Rose07.png A 7-petaled rose curve; the curve r=cos(7 theta). Generated in gnuplot, converted to png with GraphicConverter.

5 February 2007

• 01:3901:39, 5 February 2007 diff hist +1 File:HyperbolaRect01.png →Summary: corrected formula
• 01:3601:36, 5 February 2007 diff hist +132 N File:HyperbolaRect01.png A plot of the graph of the rectangular hyperbola y = 1/8, with -8 <= x <= 8, -8 <= y <= 8.

13 January 2007

• 21:3421:34, 13 January 2007 diff hist +161 N File:Expo02.png A graph showing e^x (in red), 10^x (in green) and 1.7^x (in blue) over the x-interval -3 to 3. Generated with Gnuplot.

10 January 2007

• 03:2303:23, 10 January 2007 diff hist +117 N File:CassiniOvals01.png Ovals of cassini, with foci (-1,0) and (1,0), annotated with values of b^2.
• 01:5201:52, 10 January 2007 diff hist +165 N File:Cardioid30.gif A 30 frame animated gif showing the construction of a cardoid as a circle rolls around another circle with the same radius.

24 August 2006

• 03:4103:41, 24 August 2006 diff hist +159 N File:Astroid01.gif An animation showing the construction of an astroid via a circle rolling around inside one that is four times larger.
• 02:2602:26, 24 August 2006 diff hist +109 N File:Hippopede02.png A plot of several hippopedes; a=1, and b=0.1,0.2,0.5,1, 1.5, and 2.
• 02:2502:25, 24 August 2006 diff hist +109 N File:Hippopede01.png A plot of several hippopedes; b=1, and a=0.1,0.2,0.5,1, 1.5, and 2.

22 August 2006

• 03:2103:21, 22 August 2006 diff hist +126 N User:Doctormatt No edit summary
• 03:0403:04, 22 August 2006 diff hist +85 N File:Butterfly trans01.png Plot of the transcendental butterfly curve.

21 August 2006

• 08:1908:19, 21 August 2006 diff hist +64 N File:Epicycloid-7-2.png epicycloid with R=7.2r
• 08:0908:09, 21 August 2006 diff hist +64 N File:Epicycloid-3-8.png epicycloid with R=3.8r
• 08:0808:08, 21 August 2006 diff hist +64 N File:Epicycloid-2-1.png epicycloid with R=2.1r
• 08:0708:07, 21 August 2006 diff hist +62 N File:Epicycloid-4.png epicycloid with R=4r
• 08:0508:05, 21 August 2006 diff hist +62 N File:Epicycloid-2.png Epicycloid with R=2r
• 08:0408:04, 21 August 2006 diff hist +61 N File:Epicycloid-1.png epicycloid with R=r
• 07:3307:33, 21 August 2006 diff hist +72 N File:Epitrochoid-1.gif Epicycloid with R=3, r=1, d=1.
• 06:5706:57, 21 August 2006 diff hist +103 N File:Hypocycloid-01.gif hypocycloid (deltoid) showing construction via rolling circle
• 06:2306:23, 21 August 2006 diff hist +94 N File:Hypotrochoid-1.gif animation showing the construction of a hypotrochoid