enhancement

排序学习中经常用到的评价指标为MAP，本程序为该指标的计算函数。(calculate the mean average precision for learning to rank)

说明：  电磁数据频谱分析程序，可以在matlab下运行，可以对实数序列操作(Electromagnetic spectrum data analysis program that can run in matlab, you can operate on the sequence of real numbers)

设置控制台文字颜色，可输出不同颜色的文字。 让控制台不再是单调的白字文字。(This program enables the win32 console to change the text color.)

matlab编写的PID算法，用于控制水箱流量。(matlab PID algorithm，used to control the water flow.)

parabolic equation solver matlab code

说明：  用matlab完成基于最小错误率的贝叶斯分类器的设计(Done with matlab error rate based on the minimum design of Bayesian classifier)

说明：  全波频率相速度分析，可以分析软硬地层，不同层数的底层(Full-wave frequency phase velocity analysis, to analyze hard and soft strata, different layers of the underlying)

提供一個9個匯流排測試系統的參數，如需要的輸入支路阻抗和節點功率。包括支路、首節點編號、末節點號、支路阻抗、末節點给定功率。 (Provide a nine bus test system parameters, such as the needs of the input branch impedance and node power. Branch, the first node number, the last node, branch impedance, the last node to a given power.)

画永磁同步电机的波特图 需要的数据为电机的给定转速和实际转速(plot PMSM Bode )

本书详细介绍了MATLAB语言和仿真，可作为MATLAB爱好者的参考书(The book detailed the MATLAB language and simulation, MATLAB can be used as reference book lovers)