一个薄板样条模型（thin plate spline）matlab源代码

采用有限元法计算半导体的带隙结构和波函数。-using the finite element method to calculate the bandgap semiconductor structure and the wave function.

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石油勘探专业算法：地震资料波阻抗反演后期算法，包括带限反演算法和道积分反演算法两种-professional algorithm oil exploration : seismic data late wave impedance inversion algorithm, including band-limited anti-calculus and calculus Road-two points

应用背景图像边缘是很重要的视觉信息,边缘检测在图像处理和机器视觉中占据着重要位置。通过边缘检测勾画出目标物体的轮廓,达到目标识别的目的。传统的边缘检测方法是基于空间运算的,借助空域微分算子利用卷积来实现,主要起到高通滤波的作用,如Sobel边缘算子、Roberts边缘算子、Krisch边缘算子、高斯2拉普拉斯边缘算子等关键技术 信息激素(Pheromone)作为蚂蚁选择后续行为的依据,并通过蚂蚁间的协同与交互来完成全局寻优搜索过程。该算法具有强鲁棒性、正反馈性和分布式处理等特点,已被成功用于解决许多诸如TSP问题、图着色问题等复杂问题。但用于图像处理领域,国内外的研究还比较少,韩彦芳等人利用蚁群算法提出了基于模糊聚类的图像分割方法,本文则利用蚁群算法提出了一种新的图像边缘检测方法。将一群蚂蚁随机放置到图像中,根据蚁群算法的路径选择机制,使蚂蚁以较大的概率选择图像边缘点作为下一步移动目标位置,经过多次循环迭代最终使大多数蚂蚁聚集到图像边缘上,从而提取出图像的边缘。

最精简的DES算法实现，让你能快速的了解DES的用法。

Lifitime tracer. *** *** *** *** *** *** *** *** ***** Example: #include void foo() { TRACE_LIFETIME usleep(100000) } void main() { foo() } *** *** *** *** *** *** *** *** *** See lifetimes.log: FUNC: void foo(), AV TTL: 00000xxxxx us (main.cpp, 000xxx) TTL: 00000xxxxx us (THREAD ID: 0000xxxx) ****************************************************** Explanation of newly created lifetimes.log: FUNC - function, whose lifetime we measured AV TTL - mean (average) spent time of all functions calls TTL - time spent on each function call THREAD ID - thread that called a function. ***************************************************** Description: - was written for QT project - multithreaded support (Loki::Singleton has multithreaded sync support) **************************************************** Dependencies: - QT - Loki (A. Alexandrescu) -Lifitime tracer. ****************************************************

概率论与数理统计中的F分布函数，有了它，可以免去查教科书附表的繁琐-probability theory and mathematical statistics of the distribution function F, With it, check the textbook can avoid the cumbersome Schedule

应用背景 所谓回归分析实际上就是根据统计数据建立一个方程， 用这个方程来描述不同变量之间的关系， 而这个关系又无法做到想像函数关系那样准确， 因为即使你重复全部控制条件，结果也还有区别， 这时通过让回归方程计算值和试验点结果间差值的平方和最小来建

这是最小二乘法多项式拟合的算法 很有参考价值的程序,-This is the least squares polynomial fitting algorithm is very useful procedure,

使用c++的素数分解模板，可以分解2^64范围的数字。一般用于ACM竞赛模板，具体使用情况比较简单易用。程序主体使用pho以及squefof分解算法，中间不断使用米勒罗宾监测素数。分解过程主要在于猜测素数的位置逐个测试，也算是分解效率比较高的算法之一。用于ACM竞赛中还是比较好用比较能A题的一个版了。