ghg

LDPC codec source code can be generated non-arbitrary rules binary check matrix, LLR BP decoding can be carried out

说明：  matlab 基于形状的图像检索算法 关于七个不变矩的主要算法 中 主要体现出 输入输出 的步骤！ ！！！！！！(matlab image retrieval algorithm based on the shape of seven invariant moments on the main algorithm is mainly reflected the input and output of the steps! ! ! ! ! ! !)

盲信号分离中算法中的ELSA算法，是自然梯度发的改进(Blind signal separation algorithm ELSA algorithm to improve the natural gradient hair)

张德丰所著《MATLAB数字图像处理》一书的完整代码。(Zhang Defeng book " MATLAB image processing," a book of the complete code.)

此函数中详细介绍了如何现代功率谱估计法中的AR模型来妒忌信号的功率谱；(This function is described in detail how modern power spectrum estimation of AR model to envy the power spectrum of the signal )

matlab中关于矩阵的分解，行列式，逆。矩阵的特征值，矩阵函数，奇异值分解，最小二乘法，函数的导数以及偏倒数，梯度，切平面以及积分与卷积等的原理，以及具体程序编写的例子(matlab on Matrices, determinant, inverse. Eigenvalues, matrix functions, singular value decomposition, least squares, and the partial derivative of the function inverse, gradient, tangent plane, and the principle of integration and convolution, etc., as well as specific examples of programming)

说明：  函数进行格式分析,通过计算，形成结果输出，达到自动的目的(User c++ edit the text)

newton raphson algorithm

曲面样条插值实现（没用householder变换，不稳定）(Surface Spline Interpolation (useless householder transformation, instability))

此程序分析微环在欠耦合情况下的性能，没有考虑损耗(This program analyzes the performance of the microring owe coupling case, did not consider the loss)