xiankuan

排样算法，用于矩阵排样优化，仅供参考，有错误请原谅，( ⊙ o ⊙ )啊！(Nesting algorithms for matrix layout optimization purposes, there is an error, please forgive me, (⊙ o ⊙) ah!)

说明：  实现基2时域频域抽取fft算法，可输出运算后所得复序列的模值序列，并可记录显示计算所用时间(Achieve base 2 fft algorithm frequency domain extraction can be obtained after computing the output sequence of modulus of complex sequences can be used in the calculation time, records show)

fdtd的2d算法，pml边界条件，二维TE波(fdtd the 2d algorithm, pml boundary conditions, 2D TE wave)

新建复数类进行复数运算，重载+、=+、*、/等运算符用于复数间的运算。(New complex class complex operation, overloading+ =+,*,/operator for computing the plural.)

涡格法计算机翼的涡强，对不同剖面形状，拱度等进行了比较分析。并且与书籍上对比(Vortex lattice method the computer wing of the vortex is strong, the shape of different profiles, such as camber, a comparative analysis.)

求解声学问题的边界元程序，给声学研究的人员很大启发(Solving the problem of acoustic boundary element program, to inspire great acoustic research staff)

判断点和线段之间的关系，包括点在线段的上，点在线段的延长线，反向延长线，点在线段外四种情况(Judge the relationship between the point and line, including the point on the line, in line at the extension of reverse extension cord, and so on.)

雅可比迭代（过关法）计算实对称矩阵的特征值和特征向量(Jacobi iteration (immigration law) the calculation of Real Symmetric Matrix Eigenvalues and eigenvectors)

说明：  你输入一个长方体的长和宽以及高，就可以输出他的面积(input height，width，length，output volume)

基于改进的广义S变换，能更好的对数据进行时频分析。(Modified S-transform and its application in data analysis)