Returns the net present value of a stream of equal periodic cash flows, which are subject to a given discount rate.

Namespace: Imsl.Finance
Assembly: ImslCS (in ImslCS.dll) Version: 6.5.0.0

Syntax

C#
public static double Npv( double rate, double[] eqCashFlow )

Visual Basic (Declaration)
Public Shared Function Npv ( _ rate As Double, _ eqCashFlow As Double() _ ) As Double

Visual C++
public: static double Npv( double rate, array<double>^ eqCashFlow )

rate: Type: System..::.Double
A double which specifies the interest rate per period.

eqCashFlow: Type: array< System..::.Double >[]()[]
A double array of equally-spaced cash flows.

A double which specifies the net present value of the investment.

Remarks

It is found by solving the following:

$\sum\limits_{i = 1}^{count} {{{\it value}_i} \over {\left( {1 + {\it rate}} \right)}^i }$

where ${\it value}_i$ = the th cash flow.