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1)  optimal approximation model
最佳逼近模型
1.
In order to solve the incompatible indexes problem and to raise the model precision of water resources utilization assessment, a new model, optimal approximation model (OAM), is presented for water resources utilization assessment based on the assessment standards, 3000 samples driving, three typical points in each assessment grade an.
 探讨了用评价标准信息和大样本数据驱动的最佳逼近模型(OAM)评价水资源开发利用程度的新途径,提出了一套基于格雷码加速遗传算法的OAM建模方案。
2)  Best approximation
最佳逼近
1.
The best approximation in β-normed space;
赋β-范空间上的最佳逼近
2.
Some equivalence relations between some best approximationsand some best approximate elements in the Besov space;
Besov空间中的一些最佳逼近与最佳逼近元之间的等价关系
3.
The average error bounds of best approximation of continuous functions on the Wiener spaces was investgated.
讨论了Wiener空间上连续函数最佳逼近平均误差界的阶,它由概率测度及其所支撑的集合上其函数的结构性质决定。
3)  optimal approximation
最佳逼近
1.
Solutions of a class matrix equations and its optimal approximation;
一类矩阵方程组的求解问题及其最佳逼近
2.
An iterative method for the least squares solutions of a pair of matrix equations and its optimal approximation;
矩阵方程组的最小二乘解及其最佳逼近的迭代算法
3.
Two categories solution of the quaternion matrix equation AX+YA=C and its optimal approximation;
四元数矩阵方程AX+YA=C的两种最佳逼近解
4)  the best approximation
最佳逼近
1.
So the best approximation algorithm in this domain,which can draw the mini-max solution of the frequency