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tiborsimon/ij2l.m

Created February 16, 2015 11:59
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Access upper triangular matrix elements stored in a single row vector - MATLAB implementation - http://tibor-simon.com/programming/access-upper-triangular-matrix-elements-stored-in-a-single-row-vector/
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ij2l.m
%First create a small function that
function [ l ] = ij2l( i, j, n )
%IJ2L Upper Triangle Matrix Coordinates to Single Row Index
l = j;
for k=1:(i-1)
l = l + (n-k);
end
end
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