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用matlab去计算无缺陷的有限周期光子晶体的带隙问题(Using matlab to calculate the defect-free for a limited period photonic crystal band gap problem)

第一、二种边界条件的三次样条插值程序，应用MATLAB编写，比较实用。(First, two kinds of boundary conditions of the cubic spline interpolation procedure, the application of MATLAB to prepare, more practical.)

turbo simulation with the use of functions part 1

PLS - DN是一个有限的牛顿为解决非退化的分段线性系统的算法。 PLS - DN的展品可证明半迭代 财产即在全球范围内的精确解在有限数量的迭代算法收敛。被证明是收敛速度 至少前终止线性。 广泛的算法是在我们的AISTATS 2011纸描述：“一个非退化的分段线性系统的有限牛顿算法”。此演示包重新运行 在解决非负最小二乘法（NNLS）问题上的三个稀疏的设计矩阵，从哈威尔波音收集（达夫等人，1989年）第4.2节的实验。 随着PLS - DN，此演示包建议实施五 其他NNLS求解：LCP_Fisher_Newton，LCP_Lemke，PQN，TRESNEI，和SCD (PLS- DN is a finite non-degenerate Newton to solve the piecewise linear system algorithms. PLS- DN exhibits semi-iterative property to prove that the exact solutions worldwide in a limited number of iterative convergence. Proved to be terminated before the linear convergence rate at least. A wide range of algorithms in our AISTATS 2011 paper describes: " a non-degenerate sub-linear systems with limited Newton algorithm." This demo package to re-run in the settlement of non-negative least squares (NNLS) on the design of the three sparse matrices from the Harwell Boeing collection (Duff et al, 1989) Section 4.2 of the experiment. With PLS- DN, this demonstrates the implementation of five other NNLS package proposed solution: LCP_Fisher_Newton, LCP_Lemke, PQN, TRESNEI, and SCD)

学习simulink仿真的基础材料，适合初学者学习(Simulink simulation based learning materials, suitable for beginners to learn)

此程序为matlab程序，用于拾取图片中的信息，拾取图片中的曲线，然后画出曲线(The procedure for matlab program for pickup picture information, pick up the picture of the curve, and then draw the curve)

关于Vega Prime的12篇期刊论文，涉及VP多场景切换、坐标系、多通道、飞行视景仿真等问题，有相当的参考价值。(About Vega Prime' s 12 journal articles, and more scenes involving VP switching coordinates, multi-channel, flight visual simulation and other issues, there is considerable reference value.)

该段代码能实现找出隐藏或淹没在噪声时域信号中信号的频率成分。用FFT对试验数据进行谱分析，指出数据包含的频率成份。(One use FFT is to find hidden or submerged in the time domain signal noise frequency components of the signal. Test data with FFT spectrum analysis, pointed out that the data contained in frequency components.)

GPS卫星定位 利用伪距观测量计算用户位置(GPS satellite positioning using pseudo-range observables calculated user location)

使用案例讲述了MATLAB的数据预处理，有源代码说明( Data preprocessing)