本书结合科学研究和工程中的实际需要，系统的介绍了数学软件MATLAB 7.0的基本功能，包括数值运算、符号运算和图形处理等功能，并在此基础上精心设计了丰富的实例，同时介绍了MATLAB 7.0在科学计算中的一些应用。(This book combines the actual needs of the scientific research and engineering, introduces the basic function of MATLAB 7 software, including numerical computation, symbolic computation and graphics processing functions, and on this basis, carefully designed a wealth of examples, and introduces MATLAB 7 in science and some applications in calculation.)