b'\n \n \n
 
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sffdb1 (4.0)
index
user/songxl/Mfdb1.c
\n 1-D Finite-difference wave extrapolation \n

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\n Synopsis
       sffdb1 < in.rsf vel=vel.rsf > out.rsf dt= nt= nb=20 abc=0 order=2
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\n Parameters
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int abc=0
\tabsorbing boundary condition 1: cos 0: exp
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float dt=
\t
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int nb=20
\t
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int nt=
\t
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int order=2
\tFD order: 2,4
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file vel=
\tauxiliary input file name
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