tmval.Payments.equated_time¶

tmval.value.Payments.equated_time(self, c: float) → float¶

Method of equated time. Finds $T$ so that a single payment of $C = \sum_{k=1}^n C_{t_k}$ at time $T$ has the same value at $t = 0$ as the sequence of $n$ contributions.

While this method is formally defined to have C equal the sum of the contributions, it actually works when C is not equal to the sum of the contributions.

Parameters: c (float) – The single payment C.
Returns: The time T.
Return type: float