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Info_Mac IV CD-ROM (Pacific HiTech Inc.)(August 1994).iso
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RLaB
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rlib
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mean.r
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1994-04-25
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537b
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27 lines
//-------------------------------------------------------------------//
//
// Syntax: mean ( A )
// Description:
// Calculate the mean value. If the input is a 1xN, then compute the
// mean value of all the elements.
// If the input is a MxN matrix the compute a row matrix of the mean
// value of each column of the input.
//
//-------------------------------------------------------------------//
mean = function(x)
{
local(m);
m = size (x)[1];
if( m == 1 )
{
m = size (x)[2];
}
return sum( x ) / m;
};