difference equation approximation 中文意思是什麼

difference equation approximation 解釋
差分方程近似值
  • difference : n. 1. 差異，差別。2. 不和，爭論。3. 【數學】差，差額。4. 【邏輯學】特殊性。vt. 〈罕用語〉區別，使有差別。
  • equation : n. 1. 平衡，均衡；平均，相等。2. 【數學】方程式，等式。3. 【天文學】（時）差；均分，等分。4. 【化學】反應式。
  • approximation : n. 1. 接近；近似。2. 【數學】近似值。3. 概算，略計。
  1. Results indicate that with the approximation of _ ( 0 ) _ ( 0 ) - grtlneisen equation of state is usable to describe the release isentrope of ofhc copper in the present pressure range. in addition, the difference ( w - 2u ) becomes greater with the increase of shock pressure, where w is the measured particle velocity at the final release state ( 1 atm ) and 2u is computed from the mirror line of hugoniot

    卸載路徑的計算和分析表明：在所研究的壓力范圍，無氧銅的等熵卸載過程用gr neisen狀態方程在_ 0 _ 0 =近似下的描述是適用的；卸載到一個大氣壓的終態粒子速度w與鏡像反演的粒子速度2u的偏差，隨沖擊波壓力的增加而增大。
  2. ( 5 ) discuss some mathematical models of the pollutant transport problems in some local river flow fields. by integral transform method, the paper establishes the usual finite difference approximation scheme to solve the numerical solutions and gives examples for the computation of the approximating solutions, moreover, discusses one - dimensional characteristic finite difference method for a convection - diffusion equation under usual conditions

    （ 5 ）針對水域中污染物輸移問題的數學模型，通過積分變換法，得到了簡化模型在理想化條件下的近似精確解，同時給出數值算例，並且對非理想化條件下模型的特徵差分方法進行了討論。
  3. Applying the distance approximation to the expression already obtained for the required phase difference between two radiating elements yield equation ( 7 - 1 )

    在已經得到的兩個輻射單元所需相位差的場方程（ 7 - 1 ）中應用距離近似。
  4. This is helpful for us to construct difference approximation schemes for hj equation with aids of schemes for conservation laws. in this paper we present a class gauss schemes with staggered grids for hj equation, based on gauss schemes with staggered grids for conservation laws

    本文，我們將hamilton - jacobi方程變化為雙曲守恆律方程，利用求解雙曲守恆律方程的交錯網格的gauss型差分格式，構造了一類求解hamilton - jacobi方程的交錯網格的gauss型差分格式。
  5. A stable finite difference approximation for vibration equation of beams

    梁振動方程的一個穩定的有限差分近似
  6. Based on the analysis of previous work in detail, a scheme of a - posteriori error estimation is introduced into the local boundary integral equation method ( lbiem ), which is constructed with the difference between the raw solutions of lbiem and the post - processing solutions with taylor expansion and moving least square approximation ( mlsa )

    通過對無網格演算法在誤差估計方面的工作分析，根據原始解和后處理解的不同，將一種誤差佑計的方案引入到局部邊界積分方程方法中，其中后處理解採用泰勒展開和移動最小二乘近似得到。
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