b'\n \n \n
 
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sfsbd (4.0)
index
user/songxl/Msbd.c
\n 1-D finite-difference wave extrapolation \n

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\n Synopsis
       sfsbd < inp.rsf > out.rsf vel=vel.rsf grad=grad.rsf what=2
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\n Parameters
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file grad=
\tauxiliary input file name
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file vel=
\tauxiliary input file name
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int what=2
\t2nd or 4th order for FD
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