| 1. | The centrosymmetric solution of minimum frobenius norm of the matrix equation axb
的最小二乘自反解 |
| 2. | The centrosymmetric structural dynamical models updating were studied in the paper
1 .中心对称结构的动力模型修正问题。 |
| 3. | The centrosymmetric solution of the inverse quadratic eigenvalue problem and its optimal approximation
一类二次特征值反问题的中心对称解及其最佳逼近 |
| 4. | The least - squares solutions of the inverse problem of anti - centrosymmetric matrices is discussed , and the expression of the solution is obtained
摘要讨论反中心对称矩阵反问题的最小二乘解，得到?解的具体表达式。 |
| 5. | The results were then applied to solve the centrosymmetric structural dynamical model updating problems . the optimal solution was entreated for the given pencil of matrices
然后,将结果应用于中心对称结构的动力模型修正问题中,对给定的矩阵束,求出满足特征方程且具有中心对称特性的最佳矩阵束逼近。 |
| 6. | The necessary and sufficient condition for centrosymmetric solution of matrix equation was presented and general solutions were obtained . the optimal approximation solution to a given matrix was provided in the solution set
先讨论一类矩阵方程存在中心对称解的充分必要条件,给出解的一般表达式,并在解集合中给出了与给定矩阵的最佳逼近解。 |
| 7. | In addition , the problem of using anti - centrosymmetric matrices to construct the optimal approximation to a given matrix is discussed , the necessary and sufficient conditions about the problem are derived , and the expression of the solution is provided
并讨论了用反中心对称矩阵构造给定矩阵的最佳逼近问题，给出了该问题有解的充要条件和解的表达式。 |
| 8. | Phalocyanines are a kind of centrosymmetric planar organo - metallic molecules with an extensively delocalized two dimensional conjugated - electron system which show a relatively large third order optical nonlinearity , varying upon central metal atom substitution and other factors
金属酞菁配合物是一种具有平面共轭电子结构的大环配合物。研究表明，酞菁配合物在可见及近红外波段具有良好的非线性光限幅性能。 |
| 9. | The centrosymmetric structural dynamical systems with damping were studied . the nearest triple matrix of the centrosymmetric with satisfying characteristic equations was found to a given triple matrix ( mass 、 stiffness and damping matrices ) . finally , numerical examples were given
3 .研究了阻尼中心对称结构动力模型修正问题,对给定的三重矩阵(质量矩阵、刚度矩阵和阻尼矩阵) ,求满足谱约束条件且具有中心对称特性的“最接近”的三重矩阵,并给出数值算例。 |
| 10. | Metallophalocyanines ( mpcs ) are a kind of centrosymmetric planar organo - metallic molecules with an extensively delocalized two dimensional conjugated - electron system which show a relatively large third order optical nonlmearity , varying upon central metal atom substitution and other factors . other interesting properties of this molecule and many of its derivative products are their versatility , architectural flexibility and high environmental stability , which are very important requirements to implement photo - electronic applications
因其骨架结构特征和可通过选择中心离子、轴向配体和在酞菁环上引入功能性取代基等方法进行分子筛选与组装得到具有特殊的物理化学性质和光、电、催化等功能的材料，而引起化学家和材料学家的浓厚兴趣。 |
