先编写MFC DLL，打开VC++6.0 => File => New => Project => MFC AppWizzard(dll)，在 Project name 里输入Calc =>Next => Finish. 好了，现在你打开Workspace的FileView就可以看到已经有Calc.h、Calc.cpp、stdafx.h、stdafx.cpp这4个文件了.-first prepared MFC DLL, opening VC 6.0 = gt;

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.

viterbi算法的C语言实现，以及动态链接库dll文件，可以直接添加到你的工程中，直接调用即可-Viterbi algorithm writen by the C language, as well as the dynamic link library DLL file, can be directly added to your project, you can call directly