用matlab算术码编码译码 效果一般压缩比例1:2-Arithmetic code encoding decoding

利用matlab编程环境，采用算术编码的方式实现现字符串的无损压缩 ，经测试可直接使用。 -Matlab programming environment using arithmetic coding to achieve lossless compression is now a string, has been tested and can be used directly.

用matlab实现算术编编码，包含对数据的压缩与解压 -Compile matlab to achieve arithmetic coding, including compression and decompression of data