File:As wiki lgm levelsets.svg
Size of this PNG preview of this SVG file: 512 × 421 pixels. Other resolutions: 292 × 240 pixels | 584 × 480 pixels | 934 × 768 pixels | 1,245 × 1,024 pixels | 2,491 × 2,048 pixels.
Original file (SVG file, nominally 512 × 421 pixels, file size: 50 KB)
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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 |
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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.
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Licensing
This file is licensed under the Creative Commons Attribution 3.0 Unported license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
Source code
The graph was made in Matlab with the following source code. Corrected in Inkscape
Source code
MATLAB code
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 | 11:06, 8 August 2012 | | 512 × 421 (50 KB) | wikimediacommons>Zerodamage | margins |
File usage
The following page uses this file:
