English translation for "approximating function"
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- 逼近函数
Related Translations:
- Example Sentences:
| 1. | In the finite element method, one of the restrictions on the approximating functions is relaxed .
在有限单元方法中，放开了定近似函数的限制。 | | 2. | When adding an entropy function as regularizing term to the lagrangian function , we obtain a smooth approximate function for m ( x ) , which turns out to be the exponential penalty function
当将熵函数作为正则项加到拉格朗日函数上，我们得到了逐点逼近于m ( x )的光滑函数。经证明，该函数即为指数罚函数。 | | 3. | By constructing approximate functions and using prior estimate and conversion of variable , it is proved that the inverse problem has weak solution for given initial value , boundary value and the oil output
通过变量和函数变换，作逼近函数和估计等方法，证明了对给定的初边值和石油产量，此反问题存在弱解。 | | 4. | Ph linearization method is employed to solve a nonlinear reynolds equation for a steady state and micro - scale flow field , and the approximate function expressions of gas dynamic pressure and velocity in the spiral groove are obtained
摘要应用ph线性化方法、迭代法，近似求解了螺旋槽内稳态微尺度流动场的非线性雷诺方程，求得了气体动压和速度分布的解析解。 | | 5. | 2 . for the problem with size , stress and displacement constraints , the stress constraint is transformed into movable lower bounds of sizes , the displacement constraint is transformed into an approximate function which explicitly includes design variables by using mohr integral theory . a mathematical programming model of the optimization problem is set up . the dual programming of the model is approached into a quadratic programming model
2 .对于尺寸、应力和位移约束的问题，将应力约束化为动态下限，用单位虚荷载方法将位移约束近似显式化，构造优化问题的数学规划模型，将其对偶规划处理为二次规划问题，采用lemke算法进行求解，得到满足尺寸、应力和位移约束条件的截面最优解。 | | 6. | This feature reflects the physical phenomenon of breaking of waves and development of shock waves . in the fields of fulid dynamics , ( 0 . 2 . 1 ) is an approximation of small visvosity phenomenon . if viscosity ( or the diffusion term , two derivatives ) are added to ( 0 . 2 . 1 ) , it can be researched in the classical way which say that the solutions become very smooth immediately even for coarse inital data because of the diffusion of viscosity . a natural idea ( method of regularity ) is obtained as follows : solutions of the viscous convection - diffusion pr oblem approachs to the solutions of ( 0 . 2 . 1 ) when the viscosity goes to zeros . another method is numerical method such as difference methods , finite element method , spectrum method or finite volume method etc . numerical solutions which is constructed from the numerical scheme approximate to the solutions of the hyperbolic con - ervation laws ( 0 . 2 . 1 ) as the discretation parameter goes to zero . the aim of these two methods is to construct approximate solutions and then to conside the stability of approximate so - lutions ( i , e . the upper bound of approximate solutions in the suitable norms , especally for that independent of the approximate parameters ) . using the compactness framework ( such as bv compactness , l1 compactness and compensated compactness etc ) and the fact that the truncation is small , the approximate function consquence approch to a function which is exactly the solutions of ( 0 . 2 . 1 ) in some sense of definiton
当考虑粘性后，即在数学上反映为( 0 . 1 . 1 )中多了扩散项(二阶导数项) ，即使很粗糙的初始数据，解在瞬间内变的很光滑，这由于流体的粘性扩散引起，这种对流-扩散问题可用古典的微分方程来研究。自然的想法就是当粘性趋于零时，带粘性的对流-扩散问题的解在某意义下趋于无粘性问题( 0 . 1 . 1 )的解，这就是正则化方法。另一办法从离散(数值)角度上研究仅有对流项的守恒律( 0 . 1 . 1 ) ，如构造它的差分格式，甚至更一般的有限体积格式，有限元及谱方法等，从这些格式构造近似解(常表现为分片多项式)来逼近原守恒律的解。 |
- Similar Words：
- "approximately equivalent" English translation, "approximately more or less" English translation, "approximately normal distribution" English translation, "approximately semicontinuous" English translation, "approximately-estimated cost" English translation, "approximating normal distribution" English translation, "approximating optimum allocation" English translation, "approximating sequence" English translation, "approximating spline" English translation, "approximating variances" English translation
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