,'markersize',18);
>> axis([0 5 1 6]);
>> xlabel('X'); ylabel('Y');
例:绘制三维曲面
的等高线图和梯度场。...h = get(gca,'Children');
>> set(h, 'Color','k');
例:用mesh,surf,surfl,surfc函数绘制二元正态分布的密度函数图...a=4; b=3;
>> t = -b:b/10:b;
>> [x,y,z] = cylinder(a*sqrt(1-t.^2/b^2),30);
>> surf(x,y,z);
例:绘制三维饼图...、三维柱状图、三维火柴杆图、三维填充图、三维向量场图和立体切片图(四维图).
% 饼图
>> subplot(2,3,1);
>> pie3([2347,1827,2043,3025]);
>> title...('三维饼图');
% 柱状图
>> subplot(2,3,2);
>> bar3(magic(4));
>> title('三维柱状图');
% 火柴杆图
>>