`stem3`

Plots three-dimensional discrete data as stems from the xy-plane.

Syntax

stem3(Z)

Draws a stem for each element of the matrix Z.

stem3(X, Y, Z)

Draws stems at the points (X, Y) with heights Z.

stem3(___, 'filled')

Fills the markers.

h = stem3(___)

Also returns the handle.

Description

Each stem starts at height zero and ends in a marker at (x, y, z). It is the 3-D counterpart of stem and works well for showing a helix, a two-dimensional impulse response or scattered samples above a plane.

Input arguments

X, Y, Z: Arrays of the same size with the coordinates of the stem tops.

Output arguments

h: Handle of the stem object.

Example

A helix of stems

t = linspace(0, 2*pi, 12);
stem3(cos(t), sin(t), t)
view(3)

In the app, the figure is drawn below the code.

stem3