rot90.m

国外专家做的求解LMI鲁棒控制的工具箱,可以相对高效的解决LMI问题

function X=rot90(X)
%ROT90 (overloaded)

% Author Johan L鰂berg 
% $Id: rot90.m,v 1.2 2004/07/01 11:17:12 johanl Exp $   

n  = X.n;
m  = X.m;
nm = n*m;
for i = 1:length(X.lmi_variables)+1
  X.basis(:,i) = reshape(rot90(reshape(X.basis(:,i),n,m)),nm,1);
end
X.n = m;
X.m = n;