香农编码，费诺编码，霍夫曼编码，这是一个演示软件（原工程）-Shannon coding, Connaught fee coding, Huffman coding, this is a demo software (original works)

费诺码在MATLAB条件下的实现，可按概率降序排列的码字，求出码长及编码时间等功能 (-Fenaux code in MATLAB to achieve under the conditions, in descending order according to the probability of the code word, find time to code length and coding functions (