www.gusucode.com > matlab 案例源码 matlab代码程序 > matlab/RoundTripCalculationForComplexAnglesExample.m
%% Round-Trip Calculation for Complex Angles % Show that the inverse cosine, followed by cosine, returns the original % values of |X|. cosd(acosd([2 3])) %% % |acosd([2 3])| returns two complex angles, which are then passed to the % |cosd| function. |cosd| returns the original values, |2| and |3|.