Hi everyone I need a solution to my assignment which I cannot solve."Use a 4-th order Runge-Kutta algorithm to solve the equation of the Harmonic Oscillator with viscous friction,examining the cases1,critical damping,2,underdamped and overdamped.Pls could someone kindly help me write the program code in FORTRAN.I will be grateful.

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anonymous · Answer

http://www.physics.unlv.edu/~pang/cp_f90.html or if you can translate from C http://mymathlib.webtrellis.net/diffeq/runge-kutta/runge_kutta.html