explanation of routine Four1 in numerical recipe book -- CFD Online Discussion Forums

June 8, 2009, 17:26	explanation of routine Four1 in numerical recipe book	#1
HaKu Senior Member Hassan Join Date: Apr 2009 Posts: 106 Rep Power: 17	Hi Can anybody explain me the routine Four1 in chapter 12 , Fast Fourier Transform of Numerical recipes in Fortran (2nd edition) i am really lost in the indexing and varaibles used. like wht is i , j ,m , mmax if somebody can give an overview of this fortran program, il be really grateful. regards

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