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二维pca算法 由南理工的杨健老师提出的(Two-dimensional pca algorithm of Yang Jian, a teacher from the proposed Huanan)

gauss and horner numerical simulation

说明：  求解大规模无约束最小化问题，使用信赖域算法，其中信赖域子问题使用截断共轭梯度法(The trust region algorithm is used to solve the large-scale unconstrained minimization problem, in which the truncated conjugate gradient method is used for the trust region subproblem)

说明：  一个利用Matlab绘图的教程，可以简单的绘制一些曲线。(A use of Matlab graphics tutorials, you can draw a number of simple curves.)

利用MATLAB编程实现数字滤波器的功能(Digital filters using MATLAB programming functions)

重编与交织，通信原理中的卷积码在高斯信道下的仿真(Renumbering and interleaving, Communication Theory)

one good report of starting learn LDPC codes with matlab codes

Removed kswapd_ctl limits, and swap out as many pages as needed to bring the system back to freepages.high: 2.4.97, Rik van Riel.

iir filter design low pass and high pass filters ...butterworth and chebyshev

反问题，由采集的温度场计算三种组分的混合物的导热系数和热容(Inverse problem, the temperature field calculation by the acquisition of a mixture of three components of thermal conductivity and heat capacity)