public EWV(ISeries input, double length, double initValue = 0) : base(input) { Length = length; InitValue = initValue; this.ewm_0 = new EWM(input, length); this.ewm_0.AutoUpdate = false; this.timeSeries_0 = new TimeSeries(); this.ewm_1 = new EWM(this.timeSeries_0, length); }