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  • Committer: Bazaar Package Importer
  • Author(s): Camm Maguire
  • Date: 2006-10-18 14:52:42 UTC
  • mto: (1.1.5 upstream)
  • mto: This revision was merged to the branch mainline in revision 4.
  • Revision ID: james.westby@ubuntu.com-20061018145242-vzyrm5hmxr8kiosf
Import upstream version 5.10.0

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share/vector/vector.dem
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package on the SHARE directory. - JPG 6/5/78  ***** */
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/* First, we establish p, q, f, and g as vector entities: */
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DECLARE([p, q, f, g], NONSCALAR);
 
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declare([p, q, f, g], nonscalar);
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/* To attempt to prove the following vector identity: */
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p cross q dotdel f cross g + q cross f dotdel p cross g +
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        f cross p dotdel q cross g = 0;
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/* Now determine the expansion of: */
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laplacian %PI*(s+h) = div 3*s*p;
 
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laplacian %pi*(s+h) = div 3*s*p;