function angle gh为常数,v为变量,值为弧度 v=-sqrt(2)+0.1:(sqrt(2)-0.2)/10:sqrt(2)-0.1;;%假设v为变量 gh(1,1:size(v,2))=5;%不防假设gh为常数5 y=1/2*acos(gh./gh-v.^2);%y为弧度值 subplot(3,1,1)plot(v,y,'b-');axis([-1.5 1.5 -0.5 2]);title...