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粗糙集属性约简过程中的下近似及上近似域的matlab实现(Rough set attribute reduction process under the domain of approximate and matlab)

Function to calculate the principal curvatures on a triangular mesh. Approximations of curvature are based on local (N=1) neighborhood elements and vertices. Note: Directions of curvatures aren t calculated appropriately. Will post an updated version once this is implemented. Note that calculations at vertices with few adjacent triangles, and hence few adjacent vertices, are expanded to a greater neighborhood. Reference: 1) Chen and Schmitt (1992) Intrinsic surface properties from surface triangulation 2) Dong et al. (2005) Curvature estimation on triangular mesh, JZUS This code makes use of routines: buildInverseTriangualtion.m & removeDO.m initially written by: David Gringas. He is gratefully acknowledged

模拟windows计算器的MATLAB5.3程序一个简单的例子 <<科学运算语言MATLAB5.3程序设计与应用>>的习题作业(Windows calculator MATLAB5.3 simulation procedure a simple example < < scientific computing language and application programming MATLAB5.3> > operation of the exercise)

通过fir1设计FIR滤波器，fir2设计任意频率响应的滤波器，采用卷积计算信号通过系统后响应（还原），采用fftfilt计算信号通过系统后响应，一个长序列和一个短序列的卷积。(Fir1 through FIR filter design, fir2 design the frequency response of any filter, the use of convolution calculation of the signal through the system to respond to (restore), calculated using fftfilt signal through the system to respond to, a long sequence and a short sequence of convolution.)

relic is matlab code for classification

PSO 仿真软件包, 设计各种粒子群算法，最优化算法。(Particle ,Filtering,simulator)

说明：  连续梁影响线自动计算及车道（辆）荷载加载程序。(a programme for calculating the influence lines of continuous beams...)

卡尔曼滤波器的c语言，已既matlab的实现(Kalman filter c language, has been the realization of both matlab)

经典功率谱估计的matlab代码，包括周期图法，ＢＴ法和Welch法，便于对经典功率谱估计性能的理解。(Classical power spectrum estimation matlab code, including Periodogram, BT France, and Welch law, to facilitate the performance of classical power spectrum estimation understanding.)

digital image processing its the best approach to processing medical image which is high bit rate image! 7ayder..eng