博主github：https://github.com/MichaelBeechan 博主：https://blog.csdn.net/u011344545 代码下载：https://github.com/MichaelBeechan/Matlab-From-Zero-To-One
%% Time：2019.5.25 %% Function：edit learning4
% Generate random data from a uniform distribution % and calculate the mean. Plot the data and the mean. n = 50; r = rand(n, 1); plot(r) % Draw a line from (0,m) to (n,m) m = mean(r); hold on plot([0, n], [m, m]) hold off title('Mean of Random Uniform Data') %% 使用 for 循环来计算 5 个随机样本的均值和总均值。 nsamples = 5; npoints = 50; %{ for k = 1 : nsamples currentData = rand(npoints, 1); sampleMean(k) = mean(currentData) end overallMean = mean(sampleMean) %} for k = 1:nsamples iterationString = ['Iteration #',int2str(k)]; disp(iterationString) currentData = rand(npoints,1); sampleMean(k) = mean(currentData) end overallMean = mean(sampleMean) if overallMean < .49 disp('Mean is less than expected') elseif overallMean > .51 disp('Mean is greater than expected') else disp('Mean is within the expected range') end