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peaks

Built-in 2D test surface (Gaussian-mixture peaks).

Syntax

Section titled “Syntax”
[X, Y, Z] = peaks
[X, Y, Z] = peaks(n)
Z = peaks(X, Y)

Description

Section titled “Description”

Returns a 49×49 sample of MATLAB’s classic peaks function — a sum of translated Gaussians used for demoing 3D surface plotting. Pass n for an n × n grid; pass coordinate matrices to evaluate at custom points.

Example

Section titled “Example”
surf(peaks(50))    % the canonical demo

See also

Section titled “See also”
  • surf — 3D surface plot with colored faces.
  • mesh — 3D mesh (wireframe) plot.
  • meshgrid — Generate X, Y coordinate matrices for grid evaluation.