userfc

一个有限元计算的例子,初学者可以参考，简单易看懂(an example of FEm computation)

lasso regression. It is very good to use for statics processing.

说明：  ABAQUS 的二次开发,详细注释说明，自学ABAQUS的二次开发(ABAQUS secondary development, detailed notes, self-study ABAQUS secondary development)

q-learning的一个解释性例子.压缩文件有两个m文件构成，运行后可输出结果。(q-learning with matlab)

有直接法,间接法,Bartlett法,Welch法(有????? ????? Bartlett ? Welch )

这是一个风力机的气动软件，可以算是一个新新之秀，国内现在也有很多个人和公司在使用，的确是替代blade的一个优秀的开源fortran软件(A software used to perform simulation with wind turbine)

北京航空航天大学数值分析大作业第二题，有难度，这可是历年北航研究生转载最多的代码了(Beijing University of Aeronautics and Astronautics numerical analysis of large operating the second question, there is difficulty, this is the most over the years Beihang University Graduate reproduced the code)

经典的微扰法,包括各种各样的非线性动力学理论的研究方法及其基本原理(Classical perturbation method, including all kinds of nonlinear dynamics theory research methods and its basic principle)

说明：  基2基4基8以及分裂基的fft算法，代码效率很高。是难得一见的好代码。应用范围很广。(Radix-2-4-based 8 and split fft-based algorithm, a high code efficiency. Is a rare good code. Application of a very wide scope.)

幂律分布的数据案例，这个案例数据有助于理解幂律分布的计算公式。(The case of power-law distribution of data, case data will help to understand the power-law distribution formula.)