Graphics clipping algorithms of both classifications Cohen sutherland Sutherland hodgeman weller liang barsky

拉普拉斯逆变换的数值方法 详细说明了Talbot s方法和应用，非常有用-numerical methods for laplace transform inversion by Alan cohen

将包中的 excel数据放在c盘根目录下，即C:\shuju.xls m文件要放在当前工作区间内，一般是默认的是 work文件夹中 -The package of excel data on the c root directory, ie C: \ shuju.xls m file to be placed within the current range of work, usually the default is the work folder