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用户可选择不同权限进入系统。当以管理员权限进入系统时,可进行相应的成绩添加,查询,删除,修改,用户添加删除等功能,当以学生权限进入系统时,则只能进行成绩查询和密码修改等功能-Users can choose different access permissions. When access to the system administrator can add to the corresponding results, query, delete, modify, delete users and other functions, when the rights of students to enter the system, the results can only query and modify features such as password
普里姆构造最小生成树算法 图或网的邻接矩阵表示及其上基本算法的实现-prim minimum spanning tree algorithm tectonic map of the network or matrix and adjacency on the realization of basic algorithm
介绍了SVM的基础知识,包括:SVM入门(一)SVM简介;SVM入门(二)线性分类器part1;SVM入门(三)线性分类器part2;SVM入门(四)线性分类器的求解―问题的描述part1;SVM入门(五)线性分类器的求解―问题的描述part2等。-Describes the basics of SVM, including: SVM Getting Started (1) SVM Introduction SVM Getting Started (2) linear classifier part1 SVM Getting Started (3) linear classifier part2 SVM entry (d) the solution of a linear classifier- description of the problem part1 SVM Getting Started (5) the solution of the linear classifier- description of the problem part2 and so on.