Question: ( d ^ 2 ) / ( dt ^ 2 ) = - w ^ 2 , conditions ( t = 0 ) = _

(d^2)/(dt^2)=-w^2, conditions (t=0)=_0=1,(d)/dt=0 at t=0, discretize it and solve the problem for t=0.1 using EE and IE by FEM using 3 iterative steps

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