This value is the unique real number, named after Leonhard Euler. 该值是惟一的实数,以LeonhardEuler命名。
In this paper, Euler's formula and Handshaking lemma is used to obtain the face chromatic number of a planar graph by solving equations. 本文在前人研究的面着色问题基础上,运用欧拉公式和握手定理通过解方程组得到连通平面图的面色数。
At last, the real license plate area is obtained according to the Euler number of candidate regions. 最后对计算得到的车牌候选区的欧拉数进行判别,最终提取真正的车牌区域。
Creation of Tree Structure of Contours and Computation of Euler Number Based on Tracing Automation Files and programs automatically available offline 基于自动机的围线树生成与Euler数的计算文件和程序自动在脱机状态下可用
Euler Equation Based on Alternating Series Number Pattern of Binomial Coefficient and Arrangement Number 基于二项式系数与排列数的交错级数型欧拉方程
Dimensionless equation of air flow resistance is functional relation of Euler number, Reynolds number and Prandtl number, is set up after experimental data is analyzed. 建立了空气流动阻力的准则方程,即欧拉数Eu与雷诺数Re、普朗特数Pr之间的函数关系。
RSA Public Cryptogram algorithm is based on Theorem of Euler, whose security depends on the difficulty about the factor decomposed of great number. RSA公钥密码算法的基础是欧拉定理,它的安全性依赖于大素数因式分解的困难性。
On Euler e-function and exponential coprime divisors of n Index number for atmospheric pollution 关于Eulere函-数和n的指数互素因子大气污染指数
Remarks on Euler characteristic number of dual modules 关于对偶模Euler特征数的注记
The results presented by this model agree well with those of solving unsteady Euler equations. This model greatly reduces the limitations of the classical piston theory on flight Mach number, airfoil thickness, and angle of attack. 通过与非定常Euler方程的比较,证明该气动力模型具有较高的数值精度,放宽了原始活塞理论对翼型厚度、迎角、马赫数的限制。
On e in the Number Euler 关于Euler数e的讨论
Analytic Representative of Two Class Stirling Number and Bernoulli Number and Euler Number 第2类Stirling数Bernoulli数与Euler数的解析表示式
New algebraic algorithm for computing the Euler number of 3-D images 三维数字图象Euler数新的有效计算法
A graphic approach to computations of the Euler number of images represented by linear quadtrees 计算线性四元树表示的二值图象Euler数的图论方法
A New Formula for 2D Image Euler Number 计算二维图像欧拉数的新公式
In this paper, we discuss properties of Euler's function, and relations it and other number theoretic functions. 本文详尽地讨论了Euler函数的性质,以及它与其它数论函数之间的联系。
The Euler φ-function in the quadratic number fields 二次数域上Eulerφ-函数的结构
The Euler function is generalized over the full matrix ring M ( Ok, n), where Ok is the integral number ring of the algebraic number field K. 主要把欧拉函数推广到全矩阵环M(Ok,n)上,其中Ok为代数数域K的整数环。
The Relation Between Euler Number and Bernoulli Number and Their Application 欧拉数与伯努利数的关系及应用
In this paper, a new formula of the Euler Number computing is proposed and is proved, based on the definition of the Figure Segment and Neighbor Number. 文章在定义图段和相邻数概念的基础上,提出了由局部性质计算二值图像欧拉数的一种新公式,并进行了证明。
Contour tracing and computing the Euler number of binary images represented by linear quadtree 线性四元树表示二值图像的围线追踪和Euler数的计算
By the similarity analysis of flow process in engine's port, it's found that at the base that Renold number is big enough, in-qualitative rule Euler number Eu and similar invariable dimensionless swirl NR keep unaltered. 通过对发动机气道内气体流动过程的相似分析,在雷诺Re准则数足够大的前提下,非定性准则欧拉Eu数和相似不变量无因次涡流NR保持不变。
Optimization of feature selection, we select area, perimeter, long axis, short axis, Euler number, geometric moments, and a total of 12 feature parameters as input vector. 优化特征选择,选定面积、周长、长轴、短轴、欧拉数、几何矩等共12个特征参数作为神经网络输入向量进行分类试验。
Defect area 、 defect length-diameter ratio 、 defect circumference and Euler number are determined as characteristic parameter, and it has proposed a method of the steel ball surface defect based on BP neural network. 确定将缺陷面积、缺陷长短径比、缺陷周长以及欧拉数等作为钢球表面缺陷识别的特征参数,并提出了一种基于BP神经网络的钢球表面缺陷类型识别方法。
Secondly, through the feature extraction, this system will get the endpoint, the Euler number and other useful characteristics information and then will determine and recognize these basic characters by their basic character repository. 再通过特征提取,得到端点、欧拉数等有效的特征信息,并辅以基本字符知识库进行判定,识别出这些基本组成字符。