trace index of a matrixpermutation matrixgraphmatchingmatching polynomial15A1505C1505C70For -matrices in general, and for -matrices with a constant number of 1s in each row and column, we determine the possible sets of traces of such matrices as its rows are permuted. Except for some special ...
To determine whether leiomyoma, adenomyosis and endometrial polyps are associated with changes in uterine cavity matrix metalloproteinases (MMP-2 and MMP-9... I Noboru,U Linh,O Tetsuo,... - 《European Journal of Obstetrics Gynecology & Reproductive Biology》 被引量: 0发表: 2019年 加载更多来源...
namely whether perturbations to a stable equilibrium of SEPIAR may determine a temporary increase of the Euclidean norm∣∣y∣∣of a suitable system output vectoryobtained by a linear transformation of the infection subsystem (“Methods”). Given the emerging nature of SARS-CoV-2, we focus ...
root-matrix-5.34.36-1.el5.x86_64.rpm 1.5 MiB 2016-Apr-13 03:22 perl-Math-Pari-2.010709-3.el5.x86_64.rpm 1.5 MiB 2009-Jul-01 05:46 kscope-1.6.1-3.el5.x86_64.rpm 1.5 MiB 2009-Jul-01 02:52 ldns-devel-1.6.16-1.el5.x86_64.rpm 1.5 MiB 2012-Dec-20 22:32 ldns-devel-1.6...
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In this paper, a novel performance index for the kinematic optimization of robotic manipulators is presented. The index is based on the condition number of the Jacobian matrix of the manipulator, which is known to be a measure of the amplification of the errors due to the kinematic and static...
A novel topological index based on the Wiener Index is proposed as W* = 1/2 , the element of the distance matrix is defined either as = α· /Rij (atoms i and j are adjacent) or as = (atoms i and j are not adjacent), where Ii and Ij represent the electronegativity of vertices...
In optics, the refractive index of a material and its spatial distribution determine the characteristics of light propagation. Therefore, exploring both low- and high-index materials/structures is an important consideration in this regard. Hollow cavitie
It is more or less independent of analyte, matrix, method, and time of publication (as a surrogate for the state of the art of analytical chemistry). It is now one of the acceptability criteria for many of the recently adopted chemical methods of analysis of AOAC INTERNATIONAL, the European...
Java的indexOf时间复杂度 java时间复杂度怎么算 时间复杂度 1、时间频度 时间复杂度通常是衡量算法的优劣的,衡量算法的时间严格来讲是很难衡量的,由于不同的机器性能不用环境都会造成不同的执行时间。算法的执行时间和语句的执行次数成正比,因此通过计算执行测试来推断执行时间。算法中语句执行次数称为语句频度或时间...