图论分割算法之一“Nystrom Ncut”MatLAB源程序。-MatLAB codeof “Nystrom Ncut”.

基于Nystrom的约束谱聚类，通过Nystrom取样的方式有效降低维度，提高求解速度-Nystrom spectral clustering based on constraints, sampling by Nystrom way to reduce the dimensions and improve the solution speed