File mttroot/mtt/lib/examples/Inverse/iTwoLink/iTwoLink_simp.r artifact 654a42ab54 part of check-in 534206b77a

%% Reduce comands to simplify output for system twolink (twolink_simp.r)

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% %% $Id$
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        trig1 := {cos(~x)*cos(~y) => (cos(x+y)+cos(x-y))/2,
                  cos(~x)*sin(~y) => (sin(x+y)-sin(x-y))/2,
                  sin(~x)*sin(~y) => (cos(x-y)-cos(x+y))/2,
                  cos(~x)^2       => (1+cos(2*x))/2,
                  sin(~x)^2       => (1-cos(2*x))/2};
       LET trig1;

END;