信息论编码中用hufman程序来实现的hufman编码

最小二乘法（又称最小平方法）是一种数学优化技术。它通过最小化误差的平方和寻找数据的

用于运算加减乘除的四则运算代码. 用一个复数结构ComplexNumber来存放一个复数；-arithmetic operations for the four Operational code. Using a complex structure ComplexNumber to store a plural;

*说  明：EVA下面的通用定时器T1工作于连续增/减计数模式，产生三角载波，载波频率为 *        3000Hz，载波比N=60，因此调制波形正弦波的频率为50Hz。本实验中，调制度为 *        0.8。

可以用来计算对称正定矩阵的逆矩阵，比通常的求逆程序的计算效率快很多，经过测试很好用，计算非常准确，使用方便，与大家共享。

face detection based on color

用全选主元高斯-约当消去发求解系数矩阵为稀疏矩阵的方程组-Select All PCA with Gaussian- about when fat elimination for solving sparse matrix for the coefficient matrix of equations

用传输矩阵方法编写的matalb程序，可以用来计算透射率与缺陷折射率之间的关系-Transfer matrix method used to prepare the matalb procedures, can be used to calculate the transmission rate and defects in the refractive index of the relationship between

矩阵的各种算法-matrix algorithms

牛顿、拉格朗日、三次自然插值的演示文件。-Newton, Lagrange, three natural interpolation Presentations.

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