A stability formula for Lax-Wendroff methods with fourth-order in time and general-order in space for the scalar wave equation

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Seismic modeling by optimizing regularized staggered-grid finite-difference operators using a time-space-domain dispersion-relationship-preserving method (2014, methodology): “Higher order approximations of spatial derivatives and temporal derivatives are usually applied to increase accuracy and reduce grid dispersion (Chen, 2007, 2011; Chu and Stoffa, 2012; Liang et al., 2013b).”