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\n Synopsis
		sfrtft < in.rsf > out.rsf basis=basis.rsf mask=mask.rsf inv=n verb=n nw= dw= w0=0. rect=10 niter=100 alpha=0.

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\n Parameters
		\n \n \n \n   float alpha=0. \tfrequency adaptivity \n \n \n\n \n \n \n   string basis= \tauxiliary output file name \n \n \n\n \n \n \n   float dw= \tfrequency step \n \n \n\n \n \n \n   bool inv=n [y/n] \tif y, do inverse transform \n \n \n\n \n \n \n   string mask= \tauxiliary input file name \n \n \n\n \n \n \n   int niter=100 \tnumber of inversion iterations \n \n \n\n \n \n \n   int nw= \tnumber of frequencies \n \n \n\n \n \n \n   int rect=10 \tsmoothing radius \n \n \n\n \n \n \n   bool verb=n [y/n] \tverbosity flag \n \n \n\n \n \n \n   float w0=0. \tfirst frequency \n \n \n

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