片语

optimal quadratic approximation最佳平方逼近

optimal square approximation最佳平方逼近

Chebysheve optimal consistent approximation切比雪夫最佳一致逼近

optimal separable approximation最优可分表示

the optimal numerical approximation最佳数值逼近

optimal fourier approximation最佳傅里叶逼近

optimal rational approximation最佳有理逼近

optimal numerical approximation最优数值逼近

optimal uniform approximation最佳一致逼近

英汉例句

• given buyer set and seller set, it is a np-complete problem that how we should market for gaining maximal customer surplus. how to achieve an optimal approximation in time is an urgent task.

  给定组合贸易的一组买方和一组卖方，确定如何交易才能实现最高的消费者剩余是一个np完全问题，如何在有限计算时间内得到较优的解是急待解决的问题。

• by introducing the adaptive compensation term of the optimal approximation error, the square integrable condition of the approximation error is avoided.

  通过引入最优逼近误差补偿项，取消了最优逼近误差平方可积的假设条件。

• the least-norm solution of the optimal approximation was given.

  同时还给出了它的最佳逼近问题的极小范数解。

• in this paper, the mathematical model of flatness error is established. the theory of optimal approximation is used to analyze the theoretical problem of flatness error.

  应用最佳一致逼近理论，从最小条件出发建立了评定平面度误差的数学模型，对评定平面度误差的理论问题进行了分析研究。

• the least squares solution of inverse problems of generalized skew symmetric matrices and it's optimal approximation problems are discussed.

  讨论了线性流形上广义次对称矩阵反问题的最小二乘解及其逼近问题。

• in addition, for the minimal rank solution set, the expression of the optimal approximation solution to a given matrix is derived.

  另外，给出了中心对称最小秩解集合中与给定矩阵的最佳逼近解。

• in the case of the set of semi-definite symmetric matrices, a matlab program and a numerical example for the optimal approximation numerical algorithm are given.

  讨论矩阵在闭凸锥上的最佳逼近及其数值算法，在对称半正定矩阵集上，给出了最佳逼近数值算法的matlab程序和数值例子。

• theoretical and practical computation show that the optimal approximation results can be obtained using the suboptimal subset regression algorithm proposed by the paper for any given precision.

  理论分析和实际计算发现，利用本文提出的修正次优子集回归法对给定的任意精度都可求出最佳逼近结果。

• finally, the optimal approximation in quadratic norm method is made to obtain the value of the slope reliability.

  最后，通过最佳平方逼近法求解边坡的可靠度问题。

• at last , taking the four versions of jing ye si as examples, this paper illustrates how to apply the principle of optimal approximation to evaluate different versions.

  最后，本文以《静夜思》的四种译本为例，具体阐述了如何利用最佳近似值原则来评估译文的得失。

• in this paper, a new model reduction method is developed from the viewpoint of optimal approximation to the energy.

  本文从能量最优逼近的角度论述了一种新的模型降阶方法。

• the chaotic bp algorithm is applied to nonlinear system modeling to obtain the optimal approximation in the global sense.

  将混沌bp算法应用于非线性系统建模，以求获得全局意义下的最优逼近。

• furthermore, adaptive laws presented in most schemes all adjust optimal approximation parameter vectors.

  另外，大多方案提出的自适应律都是对最优逼近参数向量进行自适应调节。

• finding an optimal scheduling for such an environment is a np-hard problem, and so heuristic approaches must be used in general to get an optimal approximation solution.

  由于在这样的环境中找到一个最优的调度是一个np难问题，通常运用各种启发式算法来找到近似最优解。

• furthermore, the adaptive compensation term of the optimal approximation error is adopted to reduce the effects of modeling error.

  进一步通过引入最优逼近误差的自适应补偿项来消除建模误差的影响。

• the adaptive compensation term of the optimal approximation error is adopted to minimize the influence of the modeling error and the parameter estimation error.

  并通过引入最优逼近误差的自适应补偿项来消除建模误差和参数估计误差的影响。

• several direct iterative numerical methods for optimal approximation are described in this chapter.

  一些直接迭代数值方法最佳逼近中描述这一章。

• a new application of genetic algorithm in fir filter with weighting chebyshev optimal approximation method is presented.

  介绍了一种遗传算法在fir数字滤波器设计——加权切比雪夫最佳逼近準则优化设计方法中的应用。

• the optimal approximation functions, of a continuous function which are constituted of the linear combination of series of chebychev polynome have the characteristics of uniform approximation.

  应用第一多项式系列的线性组合构成的某连续函数的最佳逼近函数，具有一致逼近的性质。