sfsglfdcsgm2x (1.8-svn)
index
user/fangg/Msglfdcsgm2x.cc
2D Lowrank FD coefficient of d/dx on staggered grid (optimized)

 
Synopsis
        sfsglfdcsgm2x < velf.rsf > outm.rsf sx=fsx.rsf sz=fsz.rsf seed=time(NULL eps=1.e-6 npk=50 dt= size=6 wavnumcut=1.0 weight=true dfrq=15 a0=1000 filter=0 p=0.1 taper=true tpa=0.5 tpb=0.8

 
Parameters
       
 
a0=1000

 
dfrq=15

 
dt=
time step
 
eps=1.e-6
tolerance
 
filter=0

 
npk=50
maximum rank
 
p=0.1

 
seed=time(NULL

 
size=6
stencil length
 
file sx=
auxiliary output file name
 
file sz=
auxiliary output file name
 
taper=true

 
tpa=0.5
taper for stability
 
tpb=0.8

 
wavnumcut=1.0
wavenumber cut percentile
 
weight=true