Eigen http://eigen.tuxfamily.org/index.php?title=Main_Page 下载http://bitbucket.org/eigen/eigen/get/3.3.4.zip 2.91M Eigen 3.3.4 API documentation 配置:vs2013配置Eigen库 - CSDN博客 https://blog.csdn.net/u012428169/article/details/71169546 项目->属性->c++常规--附加包
MATLAB中求矩阵非零元的坐标: 方法1: index=find(a); [i,j]=ind2sub(size(a),index); disp([i,j]) 方法2: [i,j]=find(a>0|a<0) %列出所有非零元的坐标 [i,j]=find(a==k) %找出等于k值的矩阵元素的坐标 所用函数简介: IND2SUB Multiple subscripts from linear index. IND2SUB is used to determine the equivalent