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1.THE STEP BASE OF SUBSPACES AND THE ROW VECTOR SPACES
子空间的阶梯基与行空间收藏指正
2.In particular,a judgement method of infinity optimization solutions was given in optimization base simplex table of linear programming ,test number fbr some no - base variable was zero and the row vector of th corresponding was not positive element, which did not interation with simplex method.
特别地给出了在线性规划问题最优基单纯形表中存在某个非基变量的检验数为零而且这个检验数对应的列向量无正元素时，这种用单纯形法无法迭代时，无穷多个最优解的判别方法。收藏指正
3.Under the vector loss function,the paper discusses the admissibility of the mean paiameter in the special model (H)EY=XβCovY=Xdiag(β_1,β_2,…,β_n)X′ the admissibility of homogeneous linear estimators in L_1=｛LY∶L is the k×n matrix of the element not defeated by｝,and nonhomogeneous linear estimators in L_2=｛LY+C:L is the k×n matrix of the element not defeated by,C is k links the strict row vector quantity not defeated by of element｝. It gets several necessary and sufficient conditions.
在向量损失函数下,讨论了模型(H)EY=XβCovY=Xd iag(1β,β2,…,βn)X′中估计均值向量时,齐次线性估计在L1={LY∶L为元素均为非负的k×n矩阵}中的容许性,及非齐次线性估计在L2={LY+C:L为元素均非负的k×n矩阵,C为k维元素均严格非负的列向量}中的容许性,并获得了相应的充要条件。收藏指正
4.Let F_q be the finite field with q ements,where q is a power of a prime,and F~n_q are the n-dimensional row vector space over F_q, the set of subspaces in F~n_q is used to construct two kinds of lattices L(F~n_q) and L(m,s;2ν), and the M?bius function of these Lattices is proved by the M?bius inversion.
设Fq是q个元素的有限域,其中q是一个素数的幂,并且Fnq是F上n维行向量空间. 然后,由Fnq的子空间集构造了L(Fnq)和L(m,s;2v)两种格,并且利用M bius反演出这两种格的M bius函数.收藏指正
5.Let (R,S) be the class of all (0, 1, 2) -matrices with a prescribed row sum vector Rand column sum vector S. Two necessary conditions for the existence of an irreducible matrix in ( R ,S) are given, and some characterization results for ( R ,S) are obtained.
设 　（R，S）是所有具有指定行和向量R与列和向量S的（0，l，2）－矩阵组成的集合．给出　（R，S）中存在不可约矩阵的2个必要条件，得到了　（R，S）的一些性质．收藏指正
6.This way 2...I could take that row times my vector.
折中方法2..我取那一行乘以我的向量。收藏指正
7.3). For 1 ≤ n ≤ p ? 1, the entries of the(n + 1)th row Rn are obtained by a blockwise cyclic shift in the entries of R0.The (p + 1)th row of G, Rp, is the vector 1 composed of all 1’s.
3)对1 ≤ n ≤ (p ? 1),第(n + 1)行Rn是R0对应区组Ba的循环移位,而第(p + 1)行Rp是全1向量1.其次,我们证明了赋范二次剩余码的一些性质.收藏指正
8.A method of teaching Dirac symbols that the abstract is represented by the specific is presented. A ket vector and a bra vector can be regarded as a column matrix and a row matrix,respectively.
提出一种以具体说明抽象的教法来讲授狄拉克符号,可以把刃矢和刁矢分别理解为列矩阵和行矩阵.收藏指正
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