奇异值分解降噪程序，压缩包里有程序的详细说明，内附有word文档的说明-SVD noise reduction program, compression bag has a detailed descr iption of the program, enclosing a word document descr iption

用利用SVD提高推荐效果的基于协同过滤的推荐引擎的一个简单的例子，并附加基于SVD的图像压缩例子。-A example of recommendation based on the collaborative filtering and a example of image compression based on SVD.