# Forced Damped_Harmonic Oscillator
-# x'' + 2*delta*x' + omega.0^2*x = A cos (omega.f t)
+# x'' + 2*delta*x' + omega.0^2*x = b cos (omega t)
-# generating oscillation with omega.f
-# f'' = -omega.f^2*f
+# generating oscillation with omega
+# f'' = -omega^2*f
coefficient.1(-1) -> -f0 # amplitude
-coefficient.2 -> omega^2
+coefficient.3 -> omega^2
iintegrate f'' -> -f'
iintegrate -f' -> f
IC: -f0
invert omega^2*f -> -omega^2*f
assign -omega^2*f -> f''
invert f -> -f
-output f -> y
+output f -> out.y
# forced damped harmonic oscillation
# x'' = -(2*delta*x' + omega.0^2*x) + A cos (omega.f t)
isum 2*delta*x', omega.0^2*x, -f -> -(2*delta*x'+omega.0^2*x)-f
assign -(2*delta*x'+omega.0^2*x)-f -> x''
-output(x) -> x
+output x -> out.x