用离散数学或图论的术语来说，假设有一个图g=(v,e)，其中v是顶点集，e是边集，设d=(dij)是由顶点i和顶点j之间的距离所组成的距离矩阵，旅行商问题就是求出一条通过所有顶点且每个顶点只通过一次的具有最短距离的回路。 -Discrete Mathematics or use the terminology of graph theory, assume that a graph g = (v, e), where v is the vertex set, e is the edge se

计算阶跃折射率光纤传播常数、归一化频率、截止波长、导模数量等- Calculate for Step Index Fibers (using MATLAB): a) Propagation constant (β) b) Normalized propagation constant (b) c) V number (V) d) Check whether the fiber is single mode or multi mod

条形图形  ,区域图形,枝干图  ,交互式图形  ,三维曲线图,视角的调整,设置照明方式,立体透视-A bar graph, regional graphics, branches, interactive graphics, 3 d graph, Angle adjustment, set the lighting mode, three-dimensional perspective

Structured Optimal Graph Feature Selection 对图像样本进行特征选择，使用自学习算法，然后得出相似度矩阵S(% Input % X: dim*num data matrix % gamma: coefficient of L21 % d: projection dim of W(dim*d) % c: number of clusters % k: nearest neighobrs %Output %id: sorted featu