题目2多选题
在图形窗口绘制三维曲面图z=sin y cos x,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);grid on;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=@(x,y) y;fz=@(x,y) sin(y).*cos(x);surface(fx,fy,fz,[0,2*pi])
题目6单选题
下列命令中,除一条命令外其他三条命令等价,这一条命令是( )A. line(x,y,'Color','r')B. line(x,y,'r')C. plot(x,y,'Color','r')D. plot(x,y,'r')