进行文章里的字母实验，统计了文章中的26个英文字母的熵，联合熵和条件熵。利用matlab的统计工具进行了联合熵和条件熵的简单计算，得出26个字母在《圣经》中的概率分布直方图。
关键词：熵；信息量；统计理论;联合概率；条件概率(Carry on the letter experiment in the article, count the entropy of the 26 English letters in the article, combine entropy and conditional entropy. By using the statistical tools of MATLAB, a simple calculation of joint entropy and conditional entropy is carried out, and the probability distribution histogram of 26 letters in the Bible is obtained.
Keywords: entropy; information; statistical theory; joint probability; conditional probability)