查询词典 hidden line algorithm

With long time study of many researchers, now three algebra function methods are formed which are parabola algorithm , suspension cable algorithm and perturbational algorithm.

经不少学者、专家的不断研究，迄今巳形成3种代数函数法：抛物线、悬索曲线、摄动法未取代悬链线作近似计算。

This algorithm is written by the most fundamental genetic algorithm,benefit the beginner to know the structure of genetic algorithm

本算法采用最基本的遗传算法编写，有利于初学者掌握遗传算法的构成。

In the chapter 3 of this article, I first study the principles and methods of the sequences alignment algorithm, the dynamic programming algorithm. It includes the algorithm of global alignment, local alignment and gapped alignment.

本文的第三章首先介绍了生物基因序列比对算法的原理和方法，它包括全局序列比对，局部序列比对和间隙比对方法以及它们的综合，然后在此基础上又进一步研究了基于启发式思想的BLAST算法。

The main contributions of this paper include,(1) introduces the backtracking mechanism into traditional GEP methods and proposing a new algorithm named GEP with backtracking strategy.(2) Proposes the concept of Backtracking Checkpoint and designing Geometric Proportion Increased Checkpoint Sequence and Accelerated Increased Checkpoint Sequence to restrict the backtracking process.(3) Extends the GEPBS algorithm by introducing a Retrogression Factor to control the percentage of backtracking.(4) Proves the effectiveness of the new algorithm by two extensive experiments, which show that new method increases the max fitness by 49.2

本文的主要工作包括：（1）在传统GEP算法中引入回溯机制，提出基于回溯策略的GEP算法（GEP with backtracking strategy ，GEPBS）；（2）提出回溯检查点概念，设计了等比递增检查点序列和加速递增检查点序列用于约束回溯过程；（3）扩充基于回溯的GEP算法，设计了退化因子，提出了按比例回溯策略（GEP with proportional backtracking strategy， GEPPBS）（4）通过两个实验验证了新算法的有效性，在相同条件下较传统算法的适应度最大提高了49.2％，成功率最高提高了4倍

Man-machine war Gobang algorithm, this algorithm is used in the design of the priority algorithm.

详细说明：五子棋人机对战算法，这个算法采用的是优先级的设计算法。

Based on these,a novel hybrid genetic algorithm is proposed for the graph coloring problem.The simulation results on ten standard benchmark problems show that the proposed algorithm can obtain good quality solution and it is a potential algorithm for the problem studied.

在此基础上，提出了图着色问题的一种新的混合遗传算法，对10个标准算例的仿真结果表明，新混合遗传算法可以获得问题高质量的解，是一种有潜力的算法。

A definition of "Kernel" is given first. Algorithm axioms, algorithm rules of interval grey numbers and new algebraic systems are built based on the "Kernel" and the degree of greyness of grey numbers. And the properties of the algorithm are studied.

首先给出了灰数"核"的定义，基于"核"和灰数灰度建立了区间灰数运算公理、运算法则和新的灰代数系统，并研究了运算性质。

Compared with the global harmonic mapping method, this approach has the following advantages.(1) The efficiency of the algorithm is greatly improved. The computational cost involved no longer increases exponentially with the number of vertices of the meshes to be fused.(2) The algorithm is robust as the ambiguity in graph structure combination is alleviated.(3) The detail of the cut mesh is fully kept.(4) The topology restriction of the original algorithm is eliminated.

与原有的基于全局调和映射的融合方法相比，新方法的算法效率大幅度提升，求解时间不再随融合模型顶点数的增加而呈指数增长；减少了二维网格拓扑合并中奇异情况出现的概率，提高了算法的稳定性；被剪切网格的细节得到完整保留；消除了原算法对融合区域拓扑的限制。

Moreover, the algorithm has better robustness and accuracy than DGMI algorithm and Hessian matrix algorithm.

与DGMD算法和单独的Hessian矩阵法算法相比，本方法有很好的鲁棒性和较高的准确性。

Then, it introduces an adaptive blind watermark algorithm based on odd-even judgement. This algorithm uses the neighboring symbols mean value and the odd-even judgement to embed the watermark into the 2-level subband of the carrier image. The results of the test demonstrate that this algorithm has a good imperceptivity and robustness.

然后，在此基础上介绍了一种基于奇偶判决的图像自适应盲水印算法，该算法利用图像小波系数的相邻特征平均值和奇偶判决法在图像小波域的二阶子带上嵌入水印，试验结果表明该方法具有不错的不可见性和鲁棒性。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样