中文说明：MALAB程序，包括顶点覆盖近似算法，哈密尔顿回路，画等温线，模拟退火应用，生成全排列矩阵，最小生成树Prim算法，最短路径等
English Description：
Malab program, including vertex covering approximation algorithm, Hamilton loop, drawing isotherm, simulated annealing application, generating full permutation matrix, minimum spanning tree prim algorithm, shortest path, etc