如何将x中高于平均值的值设置为与MATLAB中的平均值之差

Question

如何将x中高于均值的值设置为与均值的差值.

x = [3 15 9 12 -1 0 -12 9 6 1]

Answer 1

x = [3 15 9 12 -1 0 -12 9 6 1];
m = mean(x);
idx = (x>m);
x(idx) = x(idx) - m;