目录oracle字符串拆分1. 使用regexp_substr()函数1.1 拆分aaa,bbb,ccc1.2 拆分aaa;bbb;ccc1.3 level作用2. 在oracle中实现mysql的find_in_set()函数2.1 使用oracle的函数定义函数FIND_IN_SET()2.2 使用FIND_IN_SET()
I\'m writing a very simple in-place DFT.I am using the formula shown here: http://en.wikipedia.org/wiki/Discrete_Fourier_transform#Definition along with Euler\'s formula to avoid having to use a compl