一种流形学习算法，用于非线性降维，文章发表在2000年science杂志上，是一种非常经典的算法。-A manifold learning algorithm for nonlinear dimensionality reduction, articles published in science journal in 2000, is a very classic algorithms.

非线性降维的经典算法Isomap，LLe,还有人连数据可以做实验-The classic nonlinear dimensionality reduction algorithm Isomap, even the data can experiment