1) Substitution Matrix
替代矩阵
1.
Sequence Alignment Based on the Codon Substitution Matrix;
基于密码子替代矩阵的序列比对
2.
This paper proposes a substitution matrix based on hydrophilic-hydrophobic property(hydrophilic-hydrophobic blosum62,HB62) by importantly using statistical information on protein and map between amino acid and hydrophobic level,which solves problems of measurement of similarity among protein hydrophobic sequences.
主要利用蛋白质统计信息和氨基酸与疏水级映射关系,提出一种基于亲疏水性的替代矩阵HB62,解决蛋白质疏水级序列相似性计算问题。
2) replace rectangle
替代矩形
3) g-substitution matrix
g替换矩阵
4) matrix algebra
矩阵代数
1.
Multiplicative and anti-multiplicative mappings on matrix algebra;
矩阵代数的乘法映射与反乘法映射
2.
Automorphisms of matrix algebras over commutative semirings;
交换半环上矩阵代数的自同构
3.
Maps on 2×2 matrix algebras preserving tripotence over fields
域上2×2矩阵代数保立方幂等的映射
5) cost matrix
代价矩阵
1.
Using mathematic knowledge of theory of graph,the k-steps pervasion search algorithm is put forward with directed graph and cost matrix of railway station.
结合站场有向图和代价矩阵,利用数学图论知识,提出了一种k步扩散索算法,寻找始端到目标区的进路序列,制订最优调度方案。
6) iterative matrix
迭代矩阵
1.
In this paper,the estimates of upper bounds for the spectral radius of the iterative matrix M~(-1)N for some generalized diagonally dominant matrix M are presented.
对几类广义对角占优矩阵M,给出了迭代矩阵M~(-1)N谱半径的上界估计式,所得结果较已有结果适用于更加广泛的矩阵类。
2.
Firstly, to satisfy the convergence condition of iterative matrix, the algorithm applies diagonal loading technology to the covariance matrix and the diagonal loading value is given based on maximal gerschgorin radius of the covariance matrix.
为满足迭代矩阵的收敛条件, 算法根据协方差矩阵的最大Gerschgorin半径选择对角加载值对协方差矩阵进行对角加载;通过对协方差矩阵进行简单的矩阵分裂;进而给出自适应权向量的迭代解形式。
3.
An unified formulas of eigenvalues and eigenvectors of this kind of matrix are derived,and the eigenvalue of iterative matrix are given when this kind equation Au=f is solved by iterative method.
提出了求一类块三对角矩阵A的特征值和特征向量的方法,求得了该类矩阵的特征值和特征向量的表达式,并写出了用迭代法解该类方程组Au=f时迭代矩阵的特征值。
补充资料:边际技术替代率
是指在产出量保持不变的条件下,用一种投入要素Y替代另一种投入要素X的技术上的比率。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条