1) approximate integral method
多项式近似方法
2) polynomial approximation
多项式近似
1.
Unlike other meshless methods, the point interpolation method (PIM) adopts the polynomial approximation to construct the shape functions.
点插值法与其他无网格方法不同的是采用多项式近似来构造形函数,这种形函数具有Kroneckerdelta函数的特性,因此,易于施加本质边界条件。
2.
This design dispenses with Rom,which mainly limits the design of DDS,but use SIN function polynomial approximation directly generating.
多项式近似方法采用流水线结构,并利用Xilinx公司的FPGA器件(XC2 V3000-ff11524)进行设计实现。
3.
This design dispenses with ROM which mainly limits the converting speed of DDS, but uses SIN function polynomial approximation directly generating digital SIN wave.
利用正弦多项式近似直接产生数字正弦波,而无需限制相幅转化速度的ROM。
3) approximation polynomial
近似多项式
4) polynomial time approximation scheme
多项式时间近似方案
1.
We construct an new 2 dimension networks based on the given networks, using the algorithm of restricted shortest path problem, we then give a polynomial time approximation scheme for this problem with two pair of points.
本文设法在原有网络基础上构造出一个新的 2维网络 ,然后利用约束最短路问题的算法给出一个点对数为 2时的多项式时间近似方案 (PTAS)。
2.
in first section we discuss undirected rings and tree of rings loading problem,including the first and second chapter; In second section we discuss directed rings and tree of rings loading problem,including the third and forth chapter;in the third sections we put forward a polynomial time approximation scheme( PTAS)for the improved bi-directed ring loading problem, including the fifth chapter.
第三部分提出改进的有向环负载问题的多项式时间近似方案，包括第五章。
5) fully polynomial time approximation scheme
多项式时间近似方案
1.
The NP-hardness of a delay constrained Steiner minimum tree problem in a special series-paraUel graph is proved in this paper,and a fully polynomial time approximation scheme is presented.
对一类特殊系列平行图上带有时间约束的Steiner最小树问题,证明了其复杂性为NPC,并给出了一个完全多项式时间近似方案。
6) PTAS
多项式时间近似方案
1.
A PTAS for the Scheduling and Wavelength Assignment Problem in WDM Networks;
WDM网络中的排序与波长分配问题的一个多项式时间近似方案(英文)
2.
A new technique to design polynomial time approximation schemes(PTAS) for NP hard problems in Euclidean space is introduced.
提出了一种在欧氏平面上设计多项式时间近似方案的新技术 。
补充资料：多项式乘多项式法则
Image:1173836820929048.jpg
多项式乘多项式法则
先用一个多项式的每一项乘以另一个多项式的每一项，再把所得的积相加。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。