User Portlet User Portlet

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Awesome! Thanks Vitaliy. Here is some further refinements:[mcode]Manipulate[ pos[t_] := {1/ 2 E^(-I t \[Omega]) (x0 + E^(2 I t \[Omega]) x0 + I y0 - I E^(2 I t \[Omega]) y0 + I t x0 \[Omega] - I E^(2 I t \[Omega]) t x0 \[Omega] -...