Time-domain finite-difference (TDFD) method is the most dominant approach for seismic wavefield simulation. Due to the memory and computational cost of the computer, finite-difference (FD) simulations ...

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Some new oscillation criteria are obtained for the second order difference equation (cn xn) + pn xn+1=0, n= 0, 1, 2, ... where = xn = xn+1 – xn is the forward difference operator. The method uses ...