File:As wiki lgm levelsets.svg
Jump to navigation
Jump to search
Size of this PNG preview of this SVG file: 512 × 421 pixels. Other resolutions: 292 × 240 pixels | 584 × 480 pixels | 730 × 600 pixels | 934 × 768 pixels | 1,245 × 1,024 pixels.
Original file (SVG file, nominally 512 × 421 pixels, file size: 50 KB)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
| Description |
English: Graph showing level sets of a paraboloid and two line constraints.
|
| Date | (UTC) |
| Source | This file was derived from: As wiki lgm levelsets.png:  |
| Author |
|
|
This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Vector version. The original can be viewed here: As wiki lgm levelsets.png. Modifications made by Zerodamage.
|
Licensing
 
|
This file is licensed under the Creative Commons Attribution 3.0 Unported license. | |
|
Source code
The graph was made in Matlab with the following source code. Corrected in Inkscape
 |
This diagram was created with MATLAB. |
Matlab
figure (2);
hold off;
ezplot(['-y + ' num2str(l1_slope) '*x +' num2str(l1_b)]);
hold on;
ezplot(['-y + ' num2str(l2_slope) '*x +' num2str(l2_b)]);
ezcontour(parab, 30);
set(gcf, 'Color', 'White');
title('');
%text boxes and arrows
% Create arrow
annotation(gcf,'arrow',[0.312292358803987 0.36046511627907],...
[0.807851239669422 0.700413223140496]);
% Create arrow
annotation(gcf,'arrow',[0.330564784053156 0.441860465116279],...
[0.81198347107438 0.652892561983471]);
% Create arrow
annotation(gcf,'arrow',[0.299003322259136 0.317275747508306],...
[0.801652892561983 0.741735537190083]);
% Create textbox
annotation(gcf,'textbox',...
[0.200996677740864 0.796520661157025 0.187707641196013 0.0723140495867769],...
'String',{'level sets'},...
'FontSize',15,...
'EdgeColor','none');
% Create textarrow
annotation(gcf,'textarrow',[0.654485049833887 0.60797342192691],...
[0.264462809917355 0.208677685950413],'TextEdgeColor','none',...
'HorizontalAlignment','left',...
'FontSize',15,...
'String',{'constraint 2'});
% Create textarrow
annotation(gcf,'textarrow',[0.714285714285714 0.662790697674419],...
[0.632231404958678 0.681818181818182],'TextEdgeColor','none',...
'HorizontalAlignment','left',...
'FontSize',15,...
'String',{'constraint 1'});
%plot2svg must be retrieved from http://www.zhinst.com/blogs/schwizer/
plot2svg;
Original upload log
This image is a derivative work of the following images:
- File:As_wiki_lgm_levelsets.png licensed with PD-self
- 2010-05-25T19:09:04Z Andrebis 560x420 (18026 Bytes) {{Information |Description={{en|1=Graph showing level sets of a paraboloid and two line constraints.}} |Source={{own}} |Author=[[User:Andrebis|Andrebis]] |Date=2001-05-25 |Permission= |other_versions= }} Useful in visualizing
Uploaded with derivativeFX
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:06, 8 August 2012 | | 512 × 421 (50 KB) | Zerodamage | margins |
| 09:54, 8 August 2012 |  | 512 × 384 (40 KB) | Zerodamage | == {{int:filedesc}} == {{Information |Description={{en|1=Graph showing level sets of a paraboloid and two line constraints.}} |Source={{Derived from|As_wiki_lgm_levelsets.png|display=50}} |Date=2012-08-08 09:54 (UTC) |Author=*[[:File:As_wiki_lgm_levels... |
File usage
The following pages on the English Wikipedia link to this file (pages on other projects are not listed):
Global file usage
The following other wikis use this file:
- Usage on es.wikipedia.org
- Usage on ru.wikipedia.org
