The branch of mathematics called number theory is about properties of numbers. One of the areas that has captured the interest of number theoreticians ...
分类：
其他好文 时间：
2018-01-25 13:13:52
阅读次数：
169
原文：http://tec.5lulu.com/mathematics/detail/k5n1g5w1ty8id7.html 所谓齐次坐标就是将一个原本是n维的向量用一个n+1维向量来表示。例如，二维点(x,y)的齐次坐标表示为(hx,hy,h)。由此可以看出，一个向量的齐次表示是不唯一的，齐次坐标 ...
分类：
其他好文 时间：
2017-12-29 15:28:48
阅读次数：
242
dolocal scores={"Chiese","Mathematics","English","Programming"}Mainmenu={"1-Add","2-Remove","3-Query","4-Show ranking","5-Show Statistics","0-Exit"}st ...
分类：
其他好文 时间：
2017-12-01 19:35:35
阅读次数：
217
In combinatorial mathematics, a derangement is a permutation of the elements of a set, such that no element appears in its original position. There's ...
分类：
其他好文 时间：
2017-11-24 15:01:44
阅读次数：
186
The branch of mathematics called number theory is about properties of numbers. One of the areas that has captured the interest of number theoreticians ...
分类：
其他好文 时间：
2017-11-23 08:41:09
阅读次数：
153
The branch of mathematics called number theory is about properties of numbers. One of the areas that has captured the interest of number theoreticians ...
分类：
其他好文 时间：
2017-11-14 22:34:11
阅读次数：
213
定义 维基百科中对柯里化 (Currying) 的定义为： In mathematics and computer science, currying is the technique of translating the evaluation of a function that takes mu ...
分类：
其他好文 时间：
2017-11-02 13:18:54
阅读次数：
185
“Young man, in mathematics you don’t understand things. You just get used to them.” XGBoost(eXtreme Gradient Boosting)算法是Gradient Boosting算法的高效实现版本，因其 ...
分类：
编程语言 时间：
2017-10-08 22:43:49
阅读次数：
303
题目链接：http://poj.org/problem?id=2689 Time Limit: 1000MS Memory Limit: 65536K Description The branch of mathematics called number theory is about proper ...
分类：
其他好文 时间：
2017-09-22 23:54:22
阅读次数：
226
【对偶空间】dual vector space对偶空间是线性函数的集合。Dual vector space consists of linnear functions. In mathematics, any vector space V has a corresponding dual vecto ...
分类：
其他好文 时间：
2017-09-16 16:04:21
阅读次数：
384
