numerical mathematics 中文意思是什麼

numerical mathematics 解釋
數值數學
  • numerical : adj 數字的;數值的;用數字表示的。 (a) numerical order 號數。 a numerical statement 統計。 the ...
  • mathematics : n 數學。 ★通常作單數用,帶有「計算能力」意義時,作復數用,如: His mathematics are not good 他不...
  1. Another based mathematics model about the anchor cable is used for ship - anchor system. the numerical calculation have been worked by programmed in the matlab language. at the same time the influence that the dragging speed of antisubmarine helicopter and the height over the surface of ocean acts on the shape and the tension of underwater cable, and that the current velocity and the diameter of anchor cable acts on the shape and the tension of anchor cable, has been calculated

    把建立的水下拖索數學模型和錨索數學模型分別應用於航空吊放聲納探頭?纜繩動力學系統和船?錨系統,採用matlab語言編程進行了數值計算,同時分別計算和分析了反潛直升機拖速、距海面高度對拖索形狀和張力的影響以及海流速度、錨索直徑對錨索形狀和張力的影響。
  2. The mathematics model of newsboy problem with time - based parameter is given, and through analyzing model and numerical instance, it shows, with contrast of traditional newsboy problem that time factor is not taken into account, the former can increase the income of the dealer

    建立了正態分佈下時變參數的報童問題的數學模型,通過模型的求解和數值分析,結果顯示,與傳統的不考慮時間因素的報童模型相比,前者能夠增加零售商的收益。
  3. It is helpless for classical mathematics and mechanics method to solve contact problems ; resorting numerical compute method is necessary

    經典的數學方法和力學方法對大多數接觸問題都難以解決,因此需要使用數值計算方法進行求解。
  4. Numerical method teaching in college mathematics for science majors

    談大學工科數學中數值方法教學
  5. In this thesis, two time domain numerical solution approaches have been deduced by the aid of computational mathematics and circuit theory

    本文藉助程序設計、計算數學、電路的理論知識推導出兩個時域數值解法。
  6. Numerical mathematics a journal of chinese universities

    高等學校計算數學學報
  7. Numerical mathematics a journal of chinese universities english series

    高等學校計算數學學報英文版
  8. Numerical mathematics a journal of ch

    高等學校計算數學學報
  9. The authors research on the middle - south of qinshui basin, analyze the numerical connection of permeability and its influencing factor and construct compound factor model by mathematics geology method

    在其基礎上,文中以沁水盆地中南部為研究區,通過數學地質方法,分析和研究滲透率與其影響因素的數值關系,並研究和建立滲透率影響因素復合模型。
  10. Anyhow the slagging is formed in the combustion process, the slagging is closely related to and cannot be separated from the process of combustion. here the paper is composed of two sections. the first part concerning the improvement of numerical modeling to the combustion process, the other section is to build the mathematical modeling of fuzzy comprehensive judgment of slagging and to predicate the distribution of slagging on the heated surface on the basis of numerical modeling and by utilizing theory of fuzzy mathematics

    但歸根結底,結渣是在燃燒過程中形成的,灰渣的形成和沉積與燃料的燃燒過程密不可分,因而本論文由兩大部分組成,一部分為改進和完善燃燒過程數值模擬,另一部分是在燃燒過程模擬的基礎上,利用模糊數學理論,建立結渣的綜合模糊評判數學模型,預報受熱面上結渣的分佈情況。
  11. When the author sets up the mathematics model with describing the process of two - dimensional debris flow, he develops the continuity equation by the law of conservation of mass and establishes the momentum equations by the law of conservation of momentum. the author makes full use of the advanced computer technologies, establishes the finite difference equation of numerical simulation by the differential operator fission method, and writes programs for computers which contact friendly with the other programs. the parameters are directly input on the keyboard

    在泥石流堆積數值模擬方面,作者以前人工作成果為基礎,在建立數學模型時,根據質量守恆原理,推導建立了泥石流連續性方程,根據動量守恆原理,推導建立了泥石流運動方程;在數值解法上,充分利用高速發展的計算機技術,採用運算元分裂法建立數學模型的差分格式,開放式編製程序,人機對話方式設置參數,計算機程序具有通用性、可擴展性和易維護性。
  12. At the beginning of this article, we give the analysis about the principle of external condensation. we find out that the most important factor in the condensation is the temperature of the air in the system. and we point out the factors which can make influence in the external condensation, such as the temperature and the humidity of the environment, the temperature and the pressure of the supplying air, the load of the system, the area of passage of speed control valve, and so on. next, we give the mathematics model of the pneumatic system using the knowledge of aerodynamics and heat transfer theory. and using the finite difference method and the numerical analysis we can get the solutions of the model. we use c program to simulate the model

    本文首先對氣動系統外部結露的原理進行了分析,指出了氣動系統內部氣體溫度下降是氣動系統外部結露根本原因,提出了影響氣動外部結露的主要因素,包括環境溫度、環境濕度、供氣壓力、供氣溫度、氣缸負載和調速閥開度等。然後應用氣體動力學、氣體熱力學和傳熱學對氣動系統建立數學模型,用逆步進有限差分法和數值分析演算法對所建模型進行求解,利用c語言編製程序對氣動系統模型進行模擬,給出了氣管及氣缸內氣體的各個時刻的狀態參數。
  13. Based on the discrete mathematics and computer technology, a numerical simulation model is presented in this paper, and it can be used to deal with the wear process characterized by dynamic and non - linear systems, facilitating the above mentioned three difficulties, moreover, the high reality of the numerical simulation is emphasized, which increases the authenticity of the numerical simulation

    本文基於離散數學理論和計算機技術提出了一種數值模擬模型,可用於解決復雜動態非線性系統的磨損問題,為徹底解決上述三大難點創造了條件,並著重突出數值模擬的高真感性,增加了數值模擬模擬現實的真實性。
  14. Basic numerical mathematics

    基本數值數學
  15. The control equation consist of completely coupled deformation equation, seepage equation, conduction and convection equation of heat, which describe the reservoir non - liner performance. 2, present the detailed strategy and methods to solve this mathematics model, the basic strategy as follows : regard the deformation equation ? seepage equation conduction and convection equation of heat as separate system, and solve the equation by coupling and iterative method ; disperse the control equation in the geometry field by the finite element method ( galerkin ), and in the time field by the finite difference method : programme the computer program on this task ; when the solving, take the combinative measures of the thick and thin mesh ; successfully carry out the numerical simulation in vast 3d heat extraction system of hdr

    2 、提出了高溫巖體地熱開發的固、流、熱多場耦合數學模型的數值解法,其基本的求解策略是:將固體變形,流體滲流與溫度場方程看成獨立的子系統,耦合迭代求解;利用有限元離散( galerkin )方法將控制方程在幾何域上離散,並用差分法得到時間域上的離散方程,並在此基礎上,編制了相應的計算機源程序;有限元求解中,為減小邊界效應的影響,在計算中採取粗細網格結合的方法,順利地實現了高溫巖體地熱開發三維巨系統的數值模擬。
  16. 2. according to the mathematics principle and structures of vibration system, make sure to research to manufacture the numerical theories foundation of the synchronous controller

    2 .根據並聯雙振動臺系統的數學原理與結構組成,確定研製數字式同步控制器控制方案的理論基礎。
  17. Hamiltonian systems arise widely in the fields of physics, mechanics, engineering, pure and applied mathematics, etc. it is generally accepted that all real physical processes with negligible dissipation could be expressed, in some way, by hamiltonian formalism, so that the research work for corresponding numerical methods is of important interest

    Hamilton系統廣泛地出現於物理、力學、工程、純數學與應用數學等領域。通常可以認為,一切耗散效應可忽略的真實物理過程,都能夠以某一方式表達成哈氏方程的形式。從而,對其數值方法的研究無疑具有重要意義。
  18. In order to monitor power network, this paper presents a new design of a harmonic test apparatus for power system based on dsp and rabbit 3000. the apparatus on the spot performs mathematics and numerical processing including fft and so on to voltage and current sign and transfers data to pc. data can be stored, show, query, summary and printing and so on. the complete test monitor system of harmonic is made up of monitor apparatus, pc and network

    為了能夠對電網的運行狀況進行監測,本文提出採用dsp技術和rabbit3000模塊設計一種電力系統諧波監測儀。該諧波監測儀被安裝在檢測現場,對電網電壓和電流采樣信號進行fft等數學運算和處理,並通過數據機將處理后的數據傳送到上位機,上位機可以對數據進行存儲、顯示、查詢、匯總、列印等。監測儀與上位機以及網路構成了一套完整的諧波監測系統。
  19. For the mathematics model of differential / algebraic equation system, the penalty function is introduced in numerical computation, and runge - kutta method and newton - raphson method are used respectively in solving the ordinary differential equations and nonlinear equation systems. the process and the results are carried out under corba environment

    本論文採用近年發展的懲罰函數方法進行數值積分,對于常微分方程,採用runge - kutta方法進行數值積分,對于代數方程,採用newton - raphson迭代方法求解,並在corba環境下實現。
  20. The problem for solving equation f ( x ) = 0, where f : d c x y is nonlinear operation, is very important in view of theoretics and practice. not only professional numerical researchers devote themselves to it, but also many engineers and mathematicians study it according to their own demands and interest. some are the spokesmen among them, whose work reflects the features of the mathematics in their times

    幾個世紀以來,許多工程技術人員,還有許多純粹的數學家,他們都曾從自己的需要或興趣出發,去對它做了不同角度的研究,在研究這個課題的數學家中,不少還是他們時代的數學的代表人物,他們在這個課題上的工作,也反映了各個時代的數學面貌。
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