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sfffdcos2b (4.0)
index
user/songxl/Mffdcos2b.c
\n 2-D Fourier finite-difference wave extrapolation \n

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\n Synopsis
       sfffdcos2b > out.rsf vel=vel.rsf < source.rsf opt=y dt= nt= nb=30 c=0.01
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\n Parameters
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float c=0.01
\tdecaying parameter
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float dt=
\t
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int nb=30
\t
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int nt=
\t
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bool opt=y [y/n]
\tif y, determine optimal size for efficiency
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file vel=
\tauxiliary input file name
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