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\n Synopsis
		sfdsr2 < in.rsf > out.rsf slowness=vel.rsf inv=n verb=n eps=0.01 nt=1 nr=1 dt=0.004 npad=0 nw= dw= w0=0.

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\n Parameters
		\n \n \n \n   float dt=0.004 \ttime error \n \n \n\n \n \n \n   float dw= \tFrequency sampling (for modeling) \n \n \n\n \n \n \n   float eps=0.01 \tstability parameter \n \n \n\n \n \n \n   bool inv=n [y/n] \tIf y, modeling; if n, migration \n \n \n\n \n \n \n   int npad=0 \tpadding on offset wavenumber \n \n \n\n \n \n \n   int nr=1 \tmaximum number of references \n \n \n\n \n \n \n   int nt=1 \ttaper size \n \n \n\n \n \n \n   int nw= \tLength of frequency axis (for modeling) \n \n \n\n \n \n \n   file slowness= \tauxiliary input file name \n \n \n\n \n \n \n   bool verb=n [y/n] \tverbosity flag \n \n \n\n \n \n \n   float w0=0. \tFrequency origin (for modeling) \n \n \n

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