household+running

@丘士4378:如何理解Householder变换和Givens旋转 -
浦璧15076232260…… 最近正好组内做了一个文档相似度的分享.决定回答一发. 首先,如果不局限于NN的方法,可以用BOW+tf-idf+LSI/LDA的体系搞定,也就是俗称的01或one hot representation. 其次,如果楼主指定了必须用流行的NN,俗称word-embedding的方法,

@丘士4378:如何用householder变换求hessenberg矩阵 -
浦璧15076232260…… [Householder阵] (1) 设a Rn, = ||a||2,通常取 与a1同号,记H=I-2vvT,(v= ),则Ha= - e1. H=I -2vvT称为Householder阵.(2) 更一般地,对a=(a1,a2,…am,am+1,…,an)T,记 = ,可求出H,使 Ha=(a1,a2,…am, ,0,…,0)T.为此,先在Rn-m中求 使 满足=(am+1,…,an)T=(- ,0,…,0,0)T,再作H= ,则Ha= (a1,a2,…am,am+1,…,an)T =( a1,a2,…am,- ,0,…,0,0)T [用Householder方法求矩阵的QR分解]

@丘士4378:matlab任意生成一个实矩阵 用household变换成下三角矩阵(在线等) -
浦璧15076232260…… function [Q,R]=Householder(A) [m,n]=size(A); %要求m>=n; V=zeros(m); Q=eye(m); R=zeros(m,n); a=zeros(m,n); for k=1:n P=eye(m); I=eye(n-k+1); x=A(1:n-k+1,n-k+1); e=zeros(n-k+1,1); e(n-k+1,1)=1; V(1:n-k+1,k)= sign(x(n-k+1))*norm(x)*e+x; V(1...

@丘士4378:求助!怎样求矩阵特征值,要用household方法(有C语言程序最好)
浦璧15076232260…… //数值计算程序-特征值和特征向量 ////////////////////////////////////////////////////////////// //约化对称矩阵为三对角对称矩阵 //利用Householder变换将n阶实对称矩阵约化为对称三对角矩阵 //a-长度为n*n的数组,存放n阶实对称矩阵 //n-矩阵的阶数 //q-长度为n*n的数...

@丘士4378:问题,向Edit1中输入表householder中householdername的值.我刚才看到你给过别人解答,知道你听懂,麻烦解答
浦璧15076232260…… 我不是这么处理的. 我一用一个方法来获得指定条件下的记录的某个字段的值,一多行的,有一行的.多行用|分开.多行就把得到分为数组.一个数组元素就是一个记录的值.你这个方法我看不懂. public static string Rk(string sql,string key) ...

@丘士4378:household是什么意思
浦璧15076232260…… household 英[ˈhaʊshəʊld]美[ˈhaʊshoʊld] n. 家庭; 家庭,户; (集合词)全家人,(包含人在内的)家眷,家属,家里人; (英)王室 adj. 家喻户晓的; 家庭的,家内的,一家的; 日常的,家常的,普通的; 王室的 复数:households 双语例句 You grew up in an agnostic household and have never been able to bring yourself to believe in God. 你在一个信奉不可知论的家庭里长大,一直都无法信仰上帝.

@丘士4378:Household什么意思? -
浦璧15076232260…… household n. [集合词]家属, 家眷; 家庭, 一户家务 [the Household ][英]王室; 皇族 [pl. ][英]次等面粉 【词性变化】 household adj. 家庭[务]的; 普通的, 家常的; 王室的 household a ffairs 家务事 household cavalry [troops] 御林军 【继承用法】 ...

@丘士4378:household 的定语从句用who还是which -
浦璧15076232260…… 答案:who.解析:who和which都可以作指示代词,who指人,which指物.而household表示“全家人,一家人”,所以关系代词应该用who.比如:household who refused to move: 钉子户 Everyone of your household who is clean may eat it.凡在你家中的洁净人都可以吃.

@丘士4378:问下household可数吗? 不要乱讲..要有例句.. 谢谢... -
浦璧15076232260…… household是一个可数名词1. At that time, not many households had telephones.当时还没有多少家庭装有电话.2. Each household is limited to purchase one gallon of gas a week during WWII.二战期间,每一户一周只能购买一加仑汽油.这第二句是本人编的一个句子,不过用法的正确性是不容怀疑的

@丘士4378:家的英语单词 -
浦璧15076232260…… 你恨你的家?You hate your home?(home) 这是你家吗?Is this your family?(family) 这是我们的家?Is this our house?(house) 我们一家有四口人.There are four in our household.(household) 家里人的吵架场景让你感同身受?A domestic squabble that you can relate to on a personal level?(domestic)

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