这是图形处理中常用的数学计算方法。比较全面，已应用到实际软件项目中，可直接引用。欢迎提供更好的算法一起交流。-This is the commonly used graphics mathematical calculation. More comprehensive, and has been applied to practical software projects can be directly invoked. Welcome to provide better communicati

将最小二乘法拟合程序做成动态链接库DLL文件，然后从VC界面调用该DLL文件。在实际项目应用中，这种方法很实用。-Least squares fitting procedure to create a dynamic link library DLL files, and then call the VC interface DLL file. In the actual project applications, this method is very practical.