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  • Committer: Bazaar Package Importer
  • Author(s): Torsten Werner
  • Date: 2002-03-21 16:57:43 UTC
  • Revision ID: james.westby@ubuntu.com-20020321165743-e9mv12c1tb1plztg
Tags: upstream-2.6
Import upstream version 2.6

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man/elementary/tril.man
 
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.TH tril 1 "April 1993" "Scilab Group" "Scilab Function"
 
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.so ../sci.an
 
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.SH NAME
 
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tril - lower triangular part of matrix
 
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.SH CALLING SEQUENCE
 
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.nf
 
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tril(x [,k])
 
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.fi
 
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.SH PARAMETERS
 
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.TP 10
 
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x
 
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: matrix (real, complex, polynomial, rational)
 
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.TP
 
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k
 
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: integer (default value 0)
 
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.SH DESCRIPTION
 
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Lower triangle part of a matrix.
 
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\fVtril(x,k)\fR  is made by entries below the kth diagonal :
 
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k>0 (upper diagonal) and   k<0 (diagonals below 
 
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the main diagonal).
 
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.SH EXAMPLE
 
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.nf
 
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s=poly(0,'s');
 
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tril([s,s;s,1])
 
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tril([1/s,1/s;1/s,1])
 
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.fi
 
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.SH SEE ALSO
 
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triu, ones, eye, diag
 
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