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包含了当代科学计算过程中涉及的大量内容:求特殊函数值、随机数、排序、最优化、快速傅里叶变换、谱分析、小波变换、统计描述和数据建模、偏微分方程数值解、若干编码算法和任意精度计算等-Includes calculation of contemporary science involved substantial elements: seeking a special function values, random numbers, sorting, optimization, fast Fourie
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Snake的初衷是为了进行图像分割,但它对初始位置过于敏感,且不能处理拓扑结构改变的问题。初始位
置的敏感性可以用遗传算法来克服,因为它是一种全局优化算法,且有良好的数值稳定性。为了更精确地进行图
像分割,本文提出了一种基于遗传算法的双T—Snake模型图像分割方法,它将双T—Snake模型解作为遗传算法的搜
索空间,这既继承了T—Snake模型的拓扑改变能力,又加快了遗传算法的收敛速度。由于它利用遗传算法的全局优
化性能,克服了Snake轮廓局部极小化的缺陷,从而可得到对目标的
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ALGLIB is a cross-platform numerical analysis and data processing library. It supports several programming languages (C++, C#, Pascal, VBA) and several operating systems (Windows, Linux, Solaris). ALGLIB features include:
• Linear algebra (di
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本文研究了多峰优化问题, 利用梯度算子和筛选策略, 得到了一种可求解多峰函数
全部最优解的改进型遗传算法. 数值模拟结果表明, 该算法在处理复杂多峰函数优化问题时, 局
部搜索能力和克服过早收敛能力方面相对于传统遗传算法均有很大提高.-In this paper, multimodal optimization problems, the use of gradient operator and screening strategies can be solved by a multi-
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主要内容有MATLAB操作基础、MATLAB矩阵及其运算、MATLAB程序设计、MATLAB绘图、MATLAB数据分析与多项式计算、MATLAB解方程与最优化问题求解、MAI’LAB数值积匀与数值微分、MATLAB符号运算、MATLAB图形句柄、MATLAB图形用户界面设计、Simulinl动态仿真集成环境以及MATLAB外部接口技术。-Main content MATLAB operating basis, MATLAB matrix and its operations, MATLAB pr
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numerical recipes
optimization using annealing
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The particle swarm optimization (PSO) algorithm is a new population based search strat-
egy, which has exhibited good performance on well-known numerical test problems. How-
ever, on strongly multi-modal test problems the PSO tends to suffer prem
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ALGLIB是一个跨平台的数值分析和数据处理函数库。它支持多种编程语言,如C++,C#,Pascal,VBA等,可以在多个操作系统平台上运行,如:Windows,Linux和Solaris。ALGLIB有以下特点:
(1)线性代数(包括矩阵分析);
(2)方程求解(线性和非线性);
(3)插值;
(4)最优化;
(5)快速傅里叶变换;
(6)数值积分;
(7)线性和非线性最小二乘拟合;
(8)常微分方程求解;
(9)特殊函数;
(10)统计(描
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The particle swarm optimization (PSO) algorithm is a new population based search strat-
egy, which has exhibited good performance on well-known numerical test problems. How-
ever, on strongly multi-modal test problems the PSO tends to suffer prem
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CCMATH 是数据计算库, 源码C, 包含几何学,曲线拟合,及其它-CCMATH is a mathematics library, coded in C, that contains functions for linear algebra, numerical integration, geometry and trigonometry, curve fitting, roots and optimization, Fourier analysis, simulation generati
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This article details a novel numerical scheme to approximate gradient flows for optimal transport metrics. These flows have proved useful to tackle theoretically and numerically(load induced by the resolution of each step Indeed this corresponds to
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