www.gusucode.com > signal 案例源码程序 matlab代码 > signal/PeaktoPeakDifferencesOf2DMatrixExample.m

    %% Peak-to-Peak Differences of 2-D Matrix
% Create a matrix where each column is a 100 Hz sinusoid sampled at 1 kHz
% with a different amplitude. The amplitude is equal to the column index.

% Copyright 2015 The MathWorks, Inc.


%%
% Compute the maximum-to-minimum differences of the columns.

t = 0:0.001:1-0.001;
x = cos(2*pi*100*t)'*(1:4);

y = peak2peak(x)