📄 label.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"><html><head> <title>Description of label</title> <meta name="keywords" content="label"> <meta name="description" content="LABEL label the longest edge of each triangle as the base"> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <meta name="generator" content="m2html © 2003 Guillaume Flandin"> <meta name="robots" content="index, follow"> <link type="text/css" rel="stylesheet" href="../../m2html.css"></head><body><a name="_top"></a><!-- # AFEM@matlab --><!-- menu.html 4_Refine --><h1>label</h1><h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2><div class="box"><strong>LABEL label the longest edge of each triangle as the base</strong></div><h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2><div class="box"><strong>function elem = label(node,elem) </strong></div><h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2><div class="fragment"><pre class="comment"> LABEL label the longest edge of each triangle as the base USAGE elem = label(node,elem) Input: node: coordinates of nodes elem: element array Output: elem: elem(t,1) is opposite to the longest edge</pre></div><!-- crossreference --><h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2>This function calls:<ul style="list-style-image:url(../../matlabicon.gif)"></ul>This function is called by:<ul style="list-style-image:url(../../matlabicon.gif)"><li><a href="uniformrefine.html" class="code" title="function [mesh] = uniformrefine(mesh)">uniformrefine</a> UNIFORMREFINE refines the current triangulation by dividing</li><li><a href="../../AFEM@matlab/5_Mesh/getmesh.html" class="code" title="function mesh = getmesh(node,elem,Dirichlet,Neumann,type,solu)">getmesh</a> GETMESH generates initial mesh data structure.</li></ul><!-- crossreference --><h2><a name="_source"></a>SOURCE CODE <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2><div class="fragment"><pre><a name="_sub0" href="#_subfunctions" class="code">function elem = label(node,elem)</a><span class="comment">% LABEL label the longest edge of each triangle as the base</span><span class="comment">%</span><span class="comment">% USAGE</span><span class="comment">% elem = label(node,elem)</span><span class="comment">%</span><span class="comment">% Input:</span><span class="comment">% node: coordinates of nodes</span><span class="comment">% elem: element array</span><span class="comment">%</span><span class="comment">% Output:</span><span class="comment">% elem: elem(t,1) is opposite to the longest edge</span><span class="comment">%</span><span class="comment">% L. Chen 10-12-2006</span><span class="comment">%--------------------------------------------------------------------------</span><span class="comment">% Compute length of each edge</span><span class="comment">%--------------------------------------------------------------------------</span>edgelength = zeros(size(elem)); <span class="comment">% initialize to accelerate access</span>edgelength(:,1) = (node(elem(:,3),1)-node(elem(:,2),1)).^2 <span class="keyword">...</span> + (node(elem(:,3),2)-node(elem(:,2),2)).^2;edgelength(:,2) = (node(elem(:,1),1)-node(elem(:,3),1)).^2 <span class="keyword">...</span> + (node(elem(:,1),2)-node(elem(:,3),2)).^2;edgelength(:,3) = (node(elem(:,1),1)-node(elem(:,2),1)).^2 <span class="keyword">...</span> + (node(elem(:,1),2)-node(elem(:,2),2)).^2;<span class="comment">%--------------------------------------------------------------------------</span><span class="comment">% Re-labelling according the longest edge</span><span class="comment">%--------------------------------------------------------------------------</span>[temp,I] = max(edgelength,[],2);elem((I==2),[1 2 3]) = elem((I==2), [2 3 1]);elem((I==3),[1 2 3]) = elem((I==3), [3 1 2]);<span class="comment">%--------------------------------------------------------------------------</span><span class="comment">% End of function LABEL</span><span class="comment">%--------------------------------------------------------------------------</span></pre></div><hr><address>Generated on Fri 17-Nov-2006 11:02:53 by <strong><a href="http://www.artefact.tk/software/matlab/m2html/" target="_parent">m2html</a></strong> © 2003</address></body></html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -