3d_temperature

说明：  乘积的最后三位的值只与乘数和被乘数的后三位有关，与乘数和被乘数的高位无关，利用此来求尾数(The last three values of the product only with the multiplier and the multiplicand on the back three, with a high multiplier and the multiplicand has nothing to do, take advantage of this to seek mantissa)

Jacobi preconditioner solver

非线性规划问题中无约束问题的grad算法的MATLAB代码(Unconstrained nonlinear programming problem in question grad algorithm MATLAB code)

elasticsearch-river-mongodb 源码,主要讲述elasticsearch 和 mongodb 同步索引实现。可以实现自己编译。(Elasticsearch-river-mongodb source code, including elasticsearch and mongodb synchronization index. Can be compiled.)

Matlab的曲线拟合（CFT）工具箱详细的使用说明，版本Matlab7(Matlab curve fitting toolbox reference Version:Matlab7)

it is example4 of capture4 from widrow book. it is so good for learning many things.

用于产生巴克码序列的matlab程序，测试可以运行，解压后在matlab中打开m文件即可(Barker code used to generate the sequence matlab program, tests can be run to open the file in matlab m extract after)

利用增加一个角度来调整地球旋转的变化，利用这个参数，可以绘制看起来是旋转的地球(The use of an additional angle to adjust the changes in the Earth' s rotation, using this parameter, you can draw the Earth' s rotation appears to)

基于LMS的自适应滤波器的算法实现，该算法以数字调制信号为理想信号，并在已知载波频率的基础上，通过自适应滤波器实现数字调制信号的跟踪。(Adaptive Filter Based On LMS Algorithm)

三自由度机械臂的运动工作空间，可以实现角度与坐标的变换(Three degree of freedom mechanical arm movement working space, may realize the angle and the transformation of coordinates)