YALL1-v1.1

非线性迭代偏最小二乘的MATLAB代码,可用于光谱数据的建模(MATLAB code of NIPLS)

基于R程序的malmquist-luenberger 指数的计算源代码。(Malmquist- luenberger index calculation based on R program source code.)

符号积分法，有中文注释，大家试试，供参考学习~(Symbolic integration, notes in Chinese, we try, for reference to learn ~)

同伦方程组求非线性方程组所有解，自编程序，很好用(Homotopy equations for all solutions of nonlinear equations, written procedures, very good use)

说明：  用于计算非线性有限元分析的程序，该程序可以处理多种工况、多种类型单元组合结构问题。同时，还可以处理固定约束和指定位移的情况。(A program for nonlinear finite element analysis)

考普森教授在这本书中，使用经典的分析方法，给出了严谨的一阶和二阶线性偏微分方程理论方面的知识。(in this book， professor copson gives a rigorous account of the theory of partial differential equations of the first order and of linear partial differential equations of the second order， using the methods of classical analysis.)

该程序为全向比幅法测角程序，并给出了测角误差分析(The program is omnidirectional amplitude ratio angle measuring program, and the angle error analysis is given)

利用龙格库塔法（等步长，变步长）计算椭圆方程，双曲线方程，抛物线方程等。对各类微分方程进行数值计算。(The use of Runge-Kutta method (such as step, variable step size) calculated elliptic equations, hyperbolic equations, such as parabolic equation. Various types of differential equations for numerical calculation.)

可以实现十几位整数的四则运算，效率也较好(Four operations can be more than a dozen integer,and the efficiency is better)

提取nastran“.f06”结果中的节点频响函数数据，可简单修改提取模态频率和 其它数据(Extract nastran, " f06" results in the the node frequency response function data, can be simple modification to extract the modal frequencies and other data)