ones electro-magneto-exponencial-cosinus

m·d_{tt}^{2}[x(t)] = ...
... k·pq·( ( (e^{ln(a)·x}+(-1)cos(x))/x )+(-1)( (e^{ln(a)·(d_{t}[x]·t)}+(-1)cos(d_{t}[x]·t))/(d_{t}[x]·t) ) )


x(t) = Vt