fenduanhanshu.rar_matlab 分段函数_分段直线

x=-6:0.1:6; leng=length(x);%x's length for m=1:leng if x(m)<=0 y(m)=sin(x(m)); elseif x(m)<=3 y(m)=x(m); else y(m)=-x(m)+6; end end plot(x,y,'*'),grid;