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自编的图片旋转的函数，不是matlab原有的函数，而是根据原理自己写的(self picture rotation function, Matlab is not the original function, but on the basis of principles to write)

RPH tool is Matlab algoritm for Rock physics analysis

国外计算机经典教材，MATLAB有限元分析与应用。该书为中译本，详尽介绍了有限元分析的各种方法。(MATLAB guide to finite elements.)

Local binary pattern一个非常有用的代码，含一个自己写的例子。(Local binary pattern a very useful code, including a write your own example.)

This program calculates the 2D photonic Band Structure with PWE method.

matlab中的psat软件可以用于潮流计算，连续潮流计算，小扰动分析，分岔分析等等，这是三个版本的说明书(psat matlab software can be used in the flow calculation, continuous flow calculation, the small perturbation analysis, bifurcation analysis, etc., which are the three versions of the manual)

活塞式压缩机级间管道压力脉动matlab小程序(a matlab program to calculate the pressure pulsation of piston compressor interstage pipe)

用ode45求解悬臂梁的动力学方程，得到其变形(Use ode45 solving the dynamic equation of the beam, to get its deformation)

riccati传递矩阵法算例，计算大转子的临界转速，固有频率(riccati example transfer matrix method to calculate the critical speed the greater trochanter, natural frequency)

matlab檔案，用於時間格式轉換，可將UnixTime格式轉換成UTC格式(Time format convert)