Much valuable but hidden information can be discovered from decision tables associated with compatible reduction and lower approximation reduction based on dominance relation.
定义了决策表在优势关系下的相容约简和下近似约简，优势关系下的相容约简是优势关系下一致决策表约简的推广。
The quality of approximation is as good as polygonal boundary reduction, and it can process the data online in a constant buffer.
算法具有多边形约简算法相同的优良的近似质量，并可在固定数据缓冲区空间内在线运算。
On the other hand, by adjusting the given vertices, an approximation method for degree reduction of bezier curve is presented and the error is estimated.
另外，利用顶点位置的调整，给出一条降阶曲线逼近原曲线的方法，同时考虑了它们的误差。
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 prediction formula of yearly production and the approximation formula for reduction between the instantaneous production and yearly production are also presented.
给出了年产量预测公式及瞬时产量与年产量相互换算的近似公式。
The main contents include the approximation set, decision systems, data preprocessing and attribute reduction and so on. It is a effective method of dealing with incomplete, inaccurate data.
其主要内容包括近似集、决策系统、数据预处理以及属性约简等等，是一种处理不完整，不精确数据的有效方法。
On the other hand, by adjusting the given vertices, an approximation method for degree reduction of Bézier curve is presented and the error is estimated.
另外 ，利用顶点位置的调整 ，给出一条降阶曲线逼近原曲线的方法 ，同时考虑了它们的误差 。
This paper discusses the relationships between a fuzzy approximation space and a fuzzy topology space. The approximations and reduction in fuzzy covering-based rough sets are also studied.
本文研究模糊近似空间与模糊拓扑空间之间的关系、基于模糊覆盖的粗糙集模型与约简等问题。
This paper discusses the relationships between a fuzzy approximation space and a fuzzy topology space. The approximations and reduction in fuzzy covering-based rough sets are also studied.
本文研究模糊近似空间与模糊拓扑空间之间的关系、基于模糊覆盖的粗糙集模型与约简等问题。
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