Wave Equation, Pde, Fdtd, Numerical Methods, Leapfrog.
following approach. Time and space discretizations are introduced as: where x0=xmin, xN=xmax, t0=tstart, tM=tend and (xmin, xmax) is the domain in which the equation should be solved, while (tstart, tend) is the time interval of interest. In this way, we are not searching for the values of u for x