zero matrix 中文意思是什麼
zero matrix
解釋
零矩陣-
The zero or null matrix denoted by 0 is definde as a matrix all of whose elements are zero.
如果一個矩陣的所有元素都為零，則稱它為零矩陣。 -
The development of a visual short circuit software under ptcad2000 is presented in this paper, as well as the system structure, the definition of the data structure, the interface to ptcad2000, the conversion of the original wiring diagram of power network to calculable power network, the implement of three sequence network, the implement of impendence matrix and admittance matrix of power network considering the zero sequence mutual inductances among lines, and the implement of short circuit calculation by using computer
本文介紹了在ptcad2000平臺下短路電流可視化計算軟體的開發。介紹了軟體的系統結構、數據結構定義、與ptcad2000平臺的介面、電力系統原始接線圖轉成等值可計算網路、序網的生成、考慮零序互感線路阻抗時電網導納矩陣和阻抗矩陣的生成，以及故障點短路電流計算的計算機實現。 -
It exploits the structured of the hessian matrix of the objective function sufficiently. an attractive property of the structured bfgs method is its local superlinear / quadratic convergence property for the nonzero / zero residual problems. the local convergence of the structured bfgs method has been well established
它們充分利用了目標函數的hesse矩陣的結構以提高演算法的效率，該演算法的顯著優點是對于零殘量問題具有二階收斂性而對于非零殘量問題具有超線性收斂性。 -
Also, by the means of the pattern of matrix and the pattern of linear operator, we characterize the linear operators that strongly preserve nilpotence and that strongly preserve invertibility over antinegative commutative semirings without zero divisors
另外，利用矩陣模式和運算元模式等工具，我們在非負無零因子半環上刻畫了強保持冪零的線性運算元和強保持可逆的線性運算元 -
The judgment of the element to be zero in calculating the energy - hamiltonian - matrix in the crystal - field theory
晶體場理論計算能量哈密頓矩陣中為零矩陣元的判別 -
He zero - output commutation strategy for reducing common - mode voltage of matrix converter
可有效降低共模電壓的矩陣變換器調制方法研究 -
In the arid and semi - arid region, matrix potential of soil water diversifys intensively in aeration zone, so there is good environment for zero flux potentials to develop
結果表明：在干早和半乾旱地區，水土勢在包氣帶中變化強烈，具有良好的零通量面形成環境。 -
Firstly, the paper introduces the principle of instituting contact interface element and the format of integral method for element stiffness matrix ; secondly, because of the zero of displacement and load of soil in the infinite boundary, the unique shape of element stiffness matrix is obtained for coupling the three different elements
文中首先闡述了接觸元建立的方法以及單元剛度矩陣的積分方法；由於無限遠處的土場位移、地震作用力皆為零，計算中對該單元剛度矩陣的形式不同於四節點等參元，文中推導了平行無限元的單元剛度拒陣方，並介紹了無限元單元剛度矩陣組裝原理。 -
Spline curves defined in the space constructed by polynomial and hyperbolic functions are studied in this paper. the main research contents and achievements are as follow : firstly, we generate the cardinal extended complete chebychevian ( ect ) - systems on the space constructed by polynomial and hyperbolic functions, then introduce the algebraic - hyperbolic b - spline space and identify the dimension law and zero properties. the existence of a basis of splines with minimal compact supports is demonstrated, and functions named non - uniform algebraic - hyperbolic b - splines are obtained by solving certain linear equations with a block matrix
本文主要研究定義在多項式和雙曲函數構成的空間上的樣條曲線，其內容和完成結果如下:一、生成由多項式和雙曲函數構成的空間上的一組典範式ect （ extendedcompletechebychevian ）組及其對偶， ，證明非均勻代數雙曲b樣條空間的維數定理和零點定理，直接通過解塊矩陣線性方程組得到具有最小緊支撐的非均勻代數雙曲b樣條函數，進而構造非均勻代數雙曲b樣條曲線，還具體給出低階的表示 -
If a matrix game is isomorphic to a matrix game with zero game value, then the latter is called annihilation of the former
摘要如果矩陣對策同構於一個對策值為零的矩陣對策，那麼後者稱為前者的零化。 -
Then, the numerical calculation to the reflection light spectrum is deduced by utilizing berremam ’ s 4 4 matrix, which will supply theoretical gist to the following experiments. at last, the psct with better planar structure is achieved, and the psct is bistable at zero field
本論文首先簡要介紹了膽甾相液晶自身特有的光學特性，然後利用berrenman 』 s4 4矩陣方法對膽甾相液晶的反射光譜進行了數值理論計算，從而為下一步製作psct提供了理論依據。 -
The performance of modulators employing mqw is governed by the quantum confined stark effect. in order to simplify the analysis of mqw, we obtain an explicit formula concerning the correlations between the gaas / gaalas quantum well widths of finite potential barrier structure and those of infinite potential barrier structure under the condition that the ground state energies are equal at zero bias states. then the transfer matrix method is used to investigate the optical field distribution in the mqw waveguide based on five - step asymmetric coupled quantum well structure that is really used in the modulator
本論文首先根據量子限制stark效應，發展了等效寬度思想，提出了把單量子阱結構的有限深勢阱的分析轉化為無限深勢阱模型的顯式公式，從而大大簡化了電場下量子阱結構的分析；接著利用轉移矩陣，把周期性的量子阱結構簡化為三層結構，得到了實際採用的非對稱三阱結構量子阱的場分佈，並討論了量子阱結構的偏振特性。 -
( 6 ) the analysis on singularity configurations of the manipulator were investigated by the singular value decomposition of jacobian matrix, which was treated with the damped least - square method in the motion. from the results obtained it was indicated that the minimum singular value of manipulator calculated by the damping jacobian matrix were far from zero position. velocity, position and accelerate of all the joints of manipulator moved regularly, consequently the problem that the joint of mani
（ 6 ）通過雅可比矩陣奇異值分解進行番茄收獲機械手奇異性分析，並採用阻尼最小二乘法對機械手運動中的奇異位形進行處理，使番茄收獲機械手最小奇異值遠離零點，各關節運動速度、位置和加速度運動無異常波動，解決了機械手在奇異位形處某些關節運動無法控制的問題。 -
And the procedure of solving initial prestress by equilibrium matrix theory and simplified method are elucidated. the self - stress mode of sunflower - patterned cable dome must be positive, and the mechanisms mode equals to zero. it seems like statically indeterminate structures and is geometrical stable structure
明確了葵花型索穹頂結構形態分析的具體內容；闡述了用平衡矩陣理論和簡化演算法求解索穹頂結構初始預應力的過程，指出葵花型索穹頂結構的自應力模態s 0且機構位移模態m = 0 ，相當于結構力學中的超靜定結構，同時它也是幾何穩定的結構；提出了考慮結構自重時葵花型索穹頂結構初始預應力的求解方法，這種方法求得的初始預應力更加準確。 -
Resets the world transform of the form to an identity 2x2 identity matrix plus a zero - vector translation and fills a rectangle with a solid red brush
將窗體的世界變換重置為一個單位矩陣（ 2x2單位矩陣加上零向量平移） ，並用純紅色畫筆填充一個矩形。 -
Some properties of the quasi diagonally dominant matrix with chain of non - zero elements
擬具非零元素鏈對角占優矩陣的若干性質 -
Based on this method, matrix variation basis of the algorithm is forther discussed for voiding useless operations of zero elements multiplication
在此基礎上，探討了避免矩陣中零元素相乘的無效操作，莫定了該演算法的矩陣變換基礎。 -
The astringency, error and stability of the numerical method are researched. zero matrix method, constant matrix method, and jacobian matrix method are constructed in order to improve numerical precision and efficiency. the steps for calculating matrix exponential function using pade approach method are given out
研究了所提西安理工大學博士學位論文數值計算方法的誤差、穩定性、收斂性等數學性質，在計算精度和計算效率兩方面提出了一些改進措施，構造了零矩陣法、常數矩陣法、雅可比矩陣法等計算格式，給出了利川pade逼近計算矩陣指數函數的求解步驟。 -
Electro - rheological fluids ( erf ) are smart materials, which are consist of unconductive matrix fluids and micro dielectric solids that disperse in it uniformly under zero electric field, er fluids are usually newtonian fluids, and change into bingham fluids in the presence of a strong external electric fluids
在零電場下，電流變液表現為牛頓流體，在外加電場作用下，是一種賓漢流體，由於其具有在液體和固體之間進行快速可逆轉變的特點，因此在機電一體化控制、汽車、通用機械等領域有著廣泛應用前景。 -
Matrix a two by two identity matrix plus a zero - translation vector
矩陣（ 2x2單位矩陣加上零平移向量） 。
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