matlab求标准差的代码

以下是求标准差的MATLAB代码：

x = [1 2 3 4 5]; % the data set
n = length(x); % number of data points
mean_x = sum(x)/n; % calculate the mean
s = sqrt(sum((x-mean_x).^2)/(n-1)); % calculate the standard deviation
disp(s); % display the result