/// <summary>Extracts points with time less than or equal to <paramref name="to"/></summary>
/// <param name="solution">Solution</param>
/// <param name="to">Finish time</param>
/// <returns>New sequence of solution points</returns>
public static IObservable <SolPoint> ToRx(this IEnumerable <SolPoint> solution, out IEquasionController controller)
{
var obs = new ODE_Rx(solution);
controller = obs;
return(obs);
}
/// <summary>Interpolates solution at points with specified time step</summary>
/// <param name="solution">Solution</param>
/// <param name="delta">Time step</param>
/// <returns>New sequence of solution points at moments i * delta</returns>
/// <remarks>Linear intepolation is used to find phase vector between two solution points</remarks>
public static IObservable <SolPoint> WithStepRx(this IEnumerable <SolPoint> solution, double delta, out IEquasionController controller)
{
var obs = new ODE_Rx(solution, delta);
controller = obs;
return(obs);
}