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Revision 495 (checked in by cbc, 12 years ago)

Initial import of Stark code.

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3 <A HREF = "index.html">[Index for ./mat4]</A>
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5 <H1>el_areas4</H1>
6 <H2>(./mat4/el_areas4.m)</H2>
7 <HR><H3>Function Synopsis</H3>
8 <pre>ineg=el_areas4(e,x,y)</pre>
9 <HR><H3>Help text</H3>
10 <pre>
11 EL_AREAS4 - compute triangular finite element areas
12    EL_AREAS4(e,x,y) computes the areas for the elements
13    defined by the element list (e) and the node coordinates
14    (x,y).  The areas are NOT returned to the workspace, but
15    instead are stored globally in AR.  An index of element
16    numbers whose areas are negative (if any) are returned.
17    Negative element areas indicate clockwise elemental
18    node numbering, instead of the conventional counter-
19    clockwise numbering.
20
21  Call as:   &gt;&gt; ineg=el_areas4(e,x,y);
22
23  Written by : Brian O. Blanton (October 95)
24
25 </pre>
26 <HR><H3>Cross-Reference Information</H3>This function is called by
27 <pre><UL>
28 <LI><A HREF = "../7.mat4/genbel4.html">genbel4</A>        ./mat4/genbel4.m</LI>
29 </UL></pre>
30 <HR>
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