流行学习的一种方法Isomap

：Isomap code --------------------------------------- Author: Josh Tenenbaum (jbt@psych.stanford.edu) [Dijkstra code by Mark Steyvers (msteyver@psych.stanford.edu)]-Isomap code --------------------------------------- Author: Josh Tenenbaum (jbt@psych.stanford.edu) [Dijkstra code by Mark Steyvers (msteyver@psych.stanford.edu)]