MATLAB 3D函数stem3()

三维词干图显示了从xy平面延伸的线。 z位置描述数据值的圆(默认)或其他标记符号终止每个词干。

句法

stem3(Z) // It plots the data sequence Z as stems that extend from the xy-plane.
stem3(X, Y, Z) // It plots the data sequence Z at the value specified by X and Y. X, Y, and Z must be all be vectors or matrices of the same size.
stem3(..., 'fill')  // It specifies whether to color the interior of the circle at the end of the stem.
stem3(..., LineSpec) // It specifies the line style, marker symbol, and color for the stems.
h = stem3(...) // It returns handles to line graphics objects.

例子

创建三维词干图以可视化两个变量的功能。

x=t, y=tsin(t)
z=e^t/10-1
for 0≤t≤6π
t=linspace(0, 6*pi, 200);
x=t; y=t.*sin(t);
z=exp(t/10)-1;
stem3(x, y, z, 'filled')

输出