📄 minr.m
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function r = minr(r)% MINR - Minimal kernel representation.% MINR(R) is a minimal kernel representation of ker(R).% MINR(R,TOL), TOL is a user defined tolerance for % computing numerical rank.if nargin == 1 tol = 1e-14; % default end[p,sd] = size(r);[u,s,v] = svd(r,'econ');s = diag(s); % column vectorpmin = sum(s > tol);if pmin < p % truncate R to a minimal one r = s(1:pmin,ones(1,sd)) .* v(:,1:pmin)';end
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