sammon mapping算法c语言版，亲测有效，课题代码，基于vc++6.0环境-sammon mapping algorithm c language edition, effective pro-test, project code, based vc++6.0 environment

快速有效的 pca c++库，亲测比matlab版本的快了不少-Fast and effective pca c++ library than matlab pro-test version of a lot faster