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- An Algorithm of N Degree Magic Square Matrices N阶魔方阵的算法
- magic square matrix 幻方矩阵
- The magic square is square in shape. 魔方是正方体的。
- The square matrix is called a diagonal matrix. 该方矩阵称为对角矩阵。
- A method of constructing magic square and mutually orthogonal Latin square of order 4t is discovered firstly. 一种4t阶幻方及正交拉丁方的构造方法被首次发现。
- 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。
- This photograph of the same Magic Square was taken by Gordon Brindle whilst on holiday in Barcelona to celebrate his wife's birthday. 为了庆祝他的妻子生日,在一个假日,他-戈登斑在巴塞罗那照了这相同的幻方的照片。
- The city of profusion resembles a gyral magic square, rotational dream and temptation, blindfold letting a person is blurred. 缤纷的都市象一个旋转的魔方,转动着梦幻与诱惑,让人眩目迷离。
- 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。
- In April we challenged you to create magic squares with the numbers 1-9. 4月份,我们为您出了一道用数字1-9创建魔方的问题。
- 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。
- 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。
- In fact, today, the Chinese people still use magic squares for cutting and trimming bonsai trees to the correct mathematical ratios of nature. 事实上,在今天,中国人民仍然使用幻方的切割和修剪树木盆景正确的数学比率的性质。
- 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。
- On dimension of Latin magic square vector space 拉丁幻方空间的维数
- 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。
- Matrix Translation Product and Magic Squares 矩阵平移积和强魔性幻方