主题链接:http://acm.hdu.edu.cn/showproblem.php? pid=5095 Problem Description SVM(Support Vector Machine)is an important classification tool, which has a wide range of applications in cluster analysis, community division and so on. SVM The kernel function…

比较坑的水题,首项前面的符号,-1,+1,只有数字项的时候要输出0. 感受一下这些数据 160 0 0 0 0 0 0 0 0 -10 0 0 0 0 0 0 0 0 10 0 0 0 0 0 0 0 0 01 0 0 0 0 0 0 0 0 0-1 0 0 0 0 0 0 0 0 0-1 -1 -1 -41 -1 -1 -1 -1 -1 -1-1 5 -2 0 0 0 0 0 0 01 1 1 1 1 1 1 1 1 1-1 -1 -1 -1 -1 -1 -1 -1 -1 -10 0 0 0…

题意: INPUT: The input of the first line is an integer T, which is the number of test data (T<120). Then T data follows. For each data, there are 10 integer numbers on one line, which are the coefficients and constant a, b, c, d, e, f, g, h, i, j of th…

题目传送门 /* 题意:表达式转换 模拟:题目不难,也好理解题意,就是有坑!具体的看测试样例... */ #include <cstdio> #include <algorithm> #include <iostream> #include <cstring> #include <cmath> #include <string> #include <vector> #include <queue> #inclu…

Description SVM(Support Vector Machine)is an important classification tool, which has a wide range of applications in cluster analysis, community division and so on. SVM The kernel functions used in SVM have many forms. Here we only discuss the funct…

Linearization of the kernel functions in SVM Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 2232    Accepted Submission(s): 598 Problem Description SVM(Support Vector Machine)is an important c…

In recent years, Kernel methods have received major attention, particularly due to the increased popularity of the Support Vector Machines. Kernel functions can be used in many applications as they provide a simple bridge from linearity to non-linear…

==================================================================== This article came from here. Thanks for zhizhihu. ==================================================================== Kernel Functions Below is a list of some kernel functions avai…

Kernel Functions-Introduction to SVM Kernel & Examples - DataFlairhttps://data-flair.training/blogs/svm-kernel-functions/…

http://acm.hdu.edu.cn/showproblem.php?pid=5095 就是把ax^2 + by^2 + cy^2 + dxy + eyz + fzx + gx + hy + iz + j转换成ap + bq + cr + du + ev + fw + gx + hy + iz + j 注意的地方就是开头不要有+,系数为0不输出,系数为1的话不能输出系数除非指数为0等等 #include <cstdio> #include <cstdlib> #include…