tutorial_em_matlabcode

基于GMM的说话人识别程序，提取梅尔倒谱特征进行训练(voice detection based on GMM)

load flow solution with newton-Raphson method

输入一组振动数据，灰色预测算法会预测其后的振动趋势(input vibration data,and this algorithm will predict the vibration trend)

用于地球物理专业学习地磁学，了解磁场各要素！(This program used for geophysical professional studies and help you to understand the geomagnetic elements.)

说明：  MATLAB语言下的(有源码):Mike Zero系列软件的前后处理 GE中岸线与MIKE岸线相互转换 Mapinfo与MIKE中数据相互转换.(对学习MIKE与学习MATLAB编程人皆有帮助,且有说明)(Under the MATLAB language (with source): Mike Zero series before and after the deal with GE software in the shoreline and the shoreline MIKE and MIKE conversion Mapinfo data conversion. (On learning and learning MIKE everyone to help MATLAB programming, and there explanation))

基于matlab的各种优化算法，线性/非线性优化等等( various optimization algorithms based on Matlab.Linear/Nonlinear optimization)

说明：  粒子群算法求函数最优解粒子群算法求最优解。(Particle Swarm Optimization)

labview的 正交幅度调制（QAM）( quadrature amplitude modulation (QAM) )

用于计算表面粗糙度功率谱密度，及将二维功率谱密度转换为一维功率谱密度(It is used to calculate the power spectral density of surface roughness and transform the two-dimensional power spectral density into one dimensional power spectral density.)

计算常用指标Gmean,F-score,sensitivity,specificity,precision,roc和auc曲线，输入test_label,predict_label两个列向量，即可获得以上指标(calculate some indexes)