Description of subsref

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subsref

PURPOSE

p(k) returns the result of p applied to k.

SYNOPSIS

function j = subsref(p,S)

DESCRIPTION

 p(k) returns the result of p applied to k. 
 If k is out of bounds, 0 is returned.

CROSS-REFERENCE INFORMATION

This function calls:

• length length(p) gives the size of the permutation

This function is called by:

SOURCE CODE

0001 function j = subsref(p,S)
0002 % p(k) returns the result of p applied to k.
0003 % If k is out of bounds, 0 is returned.
0004 
0005 n  = length(p);
0006 args = S.subs;
0007 a = args(1);
0008 i = a{1};
0009 if (i<1) | (i>n)
0010     j = 0;
0011 else
0012     j = p.array(i);
0013 end

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