在图形窗口绘制三维曲面图z=sinycosx,且x∈[0,2π],y∈[0,2π],可以使用的程序是()
A.x=0:pi/20:2*pi;[x,y]=meshgrid(x);z=sin(y).*cos(x);surf(x,y,z); B.x=0:pi/20:2*pi;[x,y]=meshgrid(x);z=sin(y).*cos(x);surface(x,y,z);gridon;view(-30,37.5) C.fx=@(x,y)x;fy=@(x,y)y;fz=@(x,y)sin(y).*cos(x);fsurf(fx,fy,fz,[0,2*pi]) D.fx=@(x,y)x;fy=