研一上学期，学校开了数值分析这门课，而且要求用matlab进行上机试验，经过一段时间的学习，对matlab有了最初步的了解，结合所学课程，废了好大的劲才编了几个小程序，希望对后来学习的人有点帮助。-Kenichi last semester, the school opened the numerical analysis of the course, but also carried out on machines with matlab test, after a period of lea