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\n Synopsis
		sfortholrzone < c11.rsf seta1=seta1.rsf fft=fft.rsf left=left.rsf > right.rsf seed=time(NULL eps=1.e-4 npk=20 dt= mode=0 tilt=false approx=false reduce=false

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\n Parameters
		\n \n \n \n   approx=false \tif true, use zone\'s approximation instead of exact phase velocity \n \n \n\n \n \n \n   dt= \ttime step \n \n \n\n \n \n \n   eps=1.e-4 \ttolerance \n \n \n\n \n \n \n   file fft= \tauxiliary input file name \n \n \n\n \n \n \n   file left= \tauxiliary output file name \n \n \n\n \n \n \n   mode=0 \t\'0\' means quasi-P (default), \'1\' means quasi-S, \'2\' means quasi-S2 \n \n \n\n \n \n \n   npk=20 \tmaximum rank \n \n \n\n \n \n \n   reduce=false \tif true, use the expirical linear relationship between qv and qh \n \n \n\n \n \n \n   seed=time(NULL \t \n \n \n\n \n \n \n   file seta1= \tauxiliary input file name \n \n \n\n \n \n \n   tilt=false \t \n \n \n

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