面向对象矩阵运算库的设计与实现，压缩包中以稀疏矩阵为例，包换了相关的文档和设计实现，为学习Java编程提供一个良好的例子。-Object-oriented matrix operations database design and implementation of compressed package in order to sparse matrix, for example, replacement and the related documents and design implementation, in order to learn Java programming provides a good example.