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- The square matrix is called a diagonal matrix. 该方矩阵称为对角矩阵。
- If a square matrix has a left inverse or a right inverse then it is invertible (seeinvertible matrixfor other equivalent statements). 矩阵是半正定当且仅当其每一个特征值大于或等于零。
- In quantum electrodynamics two electrons obeyed Coulomb's inverse square law. 在量子电动力学两个电子听从库仑反平方定律。
- Coluomb's discovery of the inverse square law forms the basis of the science of electrostatics. 库伦发现的平方反比定律构成为静电学的科学基
- The density to which matter must be squeezed scales as the inverse square of the mass. 物质必须被挤压达到的密度,和它的质量平方成反比。
- A falling apple in the garden at his home(according to his own notes)let him to the formulation of his inverse square law of gravitation. 可以译为:在牛顿家花园里一直掉落在地的苹果(按照他自己的记录)使他发现了表现为平方倒数关系的万有引力定律。
- The dynamical system discussed by this paper is a variable frequency isotropic oscillatorperturbed by an inverse square potential. 讨论的动力学系统为一受反平方势作用的各向同性变频率谐振子。
- This article,through the analysis and reflections on the digital image,proposes one way of encryption suitable for the square matrix digital image. 本文通过对数字图像的分析和思考,提出一种适合于方阵数字图像的一种加密方式。
- By using conclusions of matrix rank,a necessary and sufficient condition of diagonalization for square matrix is given. 本文利用矩阵秩的相关结论, 给出并证明了方阵可对角化的一个充要条件。
- A square matrix of n rows and columns,cells contain n different symbols so arranged that no symbol occurs more than once in any row or column. 由N组行列组成的正方形矩阵,包含N个不同符号且每个符号都在任何一行和一列中只出现一次的单元格。
- Moreover, some general conclusions about the boundedness of norms were given for the case that the coefficients of the equations form a square matrix. 对于方程组系数是方阵的情形,由范数有界性给出了一般性结论。
- This paper deals with the positive definite real square matrices. 本文研究一般实方阵的正定性,给出了方阵正定的一些充分必要条件。
- Locality of action shows itself in the finite speed of light, in the inverse square law of fields, and in macroscopic statistical effects, such as rates of reaction and the speed of sound. 行动的局部性以有限光速,以域的平方反比定律,以及以宏观统计的结果表明自己,如反应率和声音的速度等。
- See invertible matrix for more.More generally, a square matrix over a commutative ring R is invertible if and only if its determinant is invertible in R. 更一般地,一元素在一可交换环R内的方阵是可逆的若且唯若其行列式在R是可逆的。
- Furthermore, Natural Laws such as Gravity, Inverse Squares, Cause and Effect, and Thermodynamics imply a Law-giver. 此外,自然的法则,如重力,逆平方定律,因果关系,以及热力学意味着必有法则的赋予者。
- Practically, inverse linear falloff doesn't look good. The inverse squared falloff looks better. 实际上,线性衰减不是很有效。平方衰减可能会好一点。
- This appraoch is based on the modelling of the principal component analysis for the prior L square matrix of period extrapolation matrix Of mean generating function only,with a few principal components inclouding main information of temporal sequence. 且仅对均生函数外延矩阵的前L阶方阵作主分量分析,用数目较少又包含主要信息量的主分量因子对时间序列建模。
- A square matrix of numbers or other elements having a value determined by a rule of combination for the elements and used especially in solving certain classes of simultaneous equations. 行列式由数或别的元素组成的方阵,其值由某种这些元素的组合规律决定,它通常用于求解某些类型的联立方程。
- inverse square attenuation of light 平方衰减
- Inverse Square Law and Applications 反平方定律及其应用