view lin_solve_dgr_2.m @ 4:72c011ed1977 tip

more elaborate example with non-stat. estimate explanation
author smusevic
date Tue, 30 Jul 2013 09:56:27 +0100
parents a4a7e3405062
children
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% solve multiple 2nd degree linear systems at once - no pivoting!
function dg2 = lin_solve_dgr_2(A,b,R)
nrm =  (-A(2,1,:) .* A(1,2,:) + A(1,1,:) .* A(2,2,:));
  dg2 = zeros(2,R);
  dg2(1,:) = -(b(2,1,:) .* A(1,2,:) - b(1,1,:) .* A(2,2,:)) ./ nrm;
  dg2(2,:) = -(b(1,1,:) .* A(2,1,:) - b(2,1,:) .* A(1,1,:)) ./ nrm;
end