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\n Synopsis
		sfdzest2d Fp=Fp.rsf < Fnp.rsf > Fs.rsf adj=n inv=n shape=n niter=100 eps1=0. rect1=3 rect2=3 seed=0 eps2=1e3

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\n Parameters
		\n \n \n \n   file Fp= \tauxiliary input file name \n \n \n\n \n \n \n   bool adj=n [y/n] \tif adj=y, adjoint operator \n \n \n\n \n \n \n   float eps1=0. \tshaping regularization parameter \n \n \n\n \n \n \n   float eps2=1e3 \tregularization parameter in model constraint \n \n \n\n \n \n \n   bool inv=n [y/n] \tif inv=y, perform inversion \n \n \n\n \n \n \n   int niter=100 \tnumber of iterations \n \n \n\n \n \n \n   int rect1=3 \tshaping smoothing parameter in 1st axis \n \n \n\n \n \n \n   int rect2=3 \tshaping smoothing parameter in 2nd axis \n \n \n\n \n \n \n   int seed=0 \tindex of reference trace \n \n \n\n \n \n \n   bool shape=n [y/n] \tif shape=y, use projection method \n \n \n

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