discretization error 中文意思是什麼
discretization error
解釋
離散化誤差- discretization : 離散化
- error : n. 1. 錯誤；失錯。2. 謬見，誤想；誤信；誤解。3. 罪過。4. 【數學】誤差；【法律】誤審，違法；（棒球中的）錯打。adj. -less 無錯誤的，正確的。
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In this paper, a crank - nicolson mixed element method, a nonlinear galerkin mixed element method for the non stationary conduction - convection problems time second order accuracy fully discrete formats and a two - level mixed element method with backtracing for the stationary conduction - convection problems are presented and analyed, respectively, an error analysis are provided for the crank - nicolson method of time discretization applied to spatially discrete galerkin mixed element approximations of the nonstationary conduction - convection problems
本文分別給出了非定常的熱傳導-對流問題的crank - nicolson混合元法時間二階精度全離散格式，非線性galerkin混合元法時間二階精度全離散格式以及定常的熱傳導-對流問題回溯二重水平法。討論了時間上的crank - nicolson離散方法應用於非定常的熱傳導-對流問題的空間離散的galerkin混合元近似。 -
About the large deformation description, a multi - floating coordinate system is adopted. it can effectively reduce the error of discretization. this paper deals with the design of restrained variable structure control in the way of phase plane analyse, which is concise and avoids complex mathematical descriptions. a new method is promoted for flexible spacecraft control by describing flexible spacecraft dynamics equations as t - s fuzzy model and designing a pdc fuzzy controller
將撓性航天器姿態動力學方程描述為t - s模糊模型為撓性航天器控制提供了新思路;模擬結果表明，基於t - s模型的pdc模糊控制器能滿足撓性航天器大角度姿態機動的精度要求，並能有效抑制帆板振動，具有一定的智能性。 -
My research concentrates on discretization of model optimal control problem, development of the posteriori error estimator and designment of efficient solver for discrete optimal control problem
我的研究在於為模型最優控制問題提供離散方案，進行誤差估計以及設計快速求解演算法。 -
For solving the corresponding discretization equation, there are few re - sults on the construction of efficient solvers. most existing results only presented the related error estimate for a concrete problem discretized by covolume methods. in this paper, hierarchical basis method, domain decomposition method and precondtioned gmres method are constructed
並且大部分已有研究結果均集中於給出對某一具體問題用有限體積法離散后的誤差估計，而對于如何高效求解其離散方程，這一無論從理論上講，還是從實際應用角度出發都具有重要意義和巨大實用價值的問題，目前這方面的研究結果還很少。
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