matrix n. (pl. matrices 或matrixes) 1.【解剖学】子宫;母体;发源地,策源地,摇篮;【生物学】衬质细胞;间质;基质;母质。 2. 【矿物】母岩;脉石;【冶金】基体;【地质学;地理学】脉石;填质;杂矿石。 3. 【印刷】字模;型版,纸型;铸型,阴模。 4.【阵】(矩)阵,方阵;母式;【物理学】间架;【无线电】矩阵变换电路。 5.【染】原色〔红黄蓝白黑五种〕。 the matrix of a nail 【解剖学】指甲床。
theory n. 1.理论,学理,原理。 2.学说,论说 (opp. hypothesis)。 3.推测,揣度。 4.〔口语〕见解,意见。 the theory of two points 两点论。 Darwin's theory of evolution 达尔文的进化论。 theory of equations 【数学】方程论。 theory of everything 【物理学】(把相对论、量子论和宇宙大爆炸理论都包括在内的)万用理论。 theory of relativity 【物理学】相对论。 the atomic theory 原子说。 Our scheme is good both in theory and in practice. 我们的方案在理论上和实施上都是好的。 combine [separate] theory with [from] practice 理论结合[脱离]实际。 My theory is that we must bring new blood into the Institute through appointment of younger men to important positions. 我的意见是我们学院应该通过重用年轻一些的人来注入新的血液。 theory of games 博弈论,对策论,权衡利弊得失的形势分析。
Using the theory of matrices proves some theorems of linear cellular automata over a finite communitive ring . and futher properties of evolution of some typical linear cellular automata are given 摘要在线性元胞自动机矩阵表示的基础上证明有限交换环上的线性元胞自动机的一组定理,并借此分析某些典型线性元胞自动机的演化性质。
With the spectral theory of matrices, three sufficient algebraic criteria have been developed for the above multiple-delay linear difference systems . the key of the criteria is to verify that the sum of the spectrum or norm of system matrices is less than 1 借助矩阵的谱理论,获得了上述多时滞线性差分系统的充分代数准则,其核心是判定系统矩阵的谱或范数之和小于1。
The algorithm is proved to be faster than the dichotomy which is based on the distribution theory of matrices eigenvalues by theoretical analysis and numerical results . it is reasonable on theory and effective on computational practice 理论分析和数值结果表明,本文提出的算法比基于矩阵特征值分布理论的二分法收敛速度快,是理论上合理、计算上行之有效的普遍适用的算法。
Secondly, a method for updating fe analytical model using the data from experimental test and parametric identification as reference is put forward, based on the optimum approach theory of matrix under the spectral constraint this method also pays respect to the affect from the experiment errors by using baysian estimation principle 该方法以实验获得的不完备模态的谱点为约束,运用bayes估计原理来处理试验结果误差带来的实验模态可信度问题,求取分析模型的最佳逼近结果,然后获得质量阵的最小修正模型,继而获得结构的修正模型。
Secondly, the method for finding initial circular of symmetric matrices is presented on the based of the dichotomy . the method for finding initial circular of nonsymmetric matrices is obtained by utilizing the distribution theory of matrices eigenvalue, which satisfies the initial condition of circular iteration 其次,根据二分法的思想,提出了一种确定对称矩阵满足圆盘迭代初始条件的初始圆盘的方法;利用矩阵特征值分布理论,提出了一种确定非对称矩阵满足圆盘迭代初始条件的初始圆盘的方法。