choose_independent_rows.m

％The Metabolic Networks Toolbox contains functions to create, ％modify, display, and simulate bioche

% [ind_matrix,choice] = choose_independent_rows(matrix)
%
% choose linearly independent rows from a matrix using reduced row echelon form

function [ind_matrix,choice] = choose_independent_rows(matrix)

[echelon,choice] = rref(matrix');
ind_matrix       = matrix(choice,:);