%minvar_example.m
%驗證已知n個數(shù)據(jù)中挑選出方差最小的k個數(shù)據(jù)的函數(shù)minvar()
data = (1:10).^2;             %數(shù)列 1 4 9 16 ...
index = randperm(10);         %1:10的隨機(jī)排列
x = data(index)               %隨機(jī)擾亂數(shù)據(jù)data的排列
[y i]=minvar(x,4)             %求數(shù)據(jù)x中反差最小的4個值