Finance.Ipmt Method

FinanceIpmt Method

Returns the interest payment for an investment for a given period.

Namespace: Imsl.Finance
Assembly: ImslCS (in ImslCS.dll) Version: 6.5.2.0

Syntax

public static double Ipmt(
	double rate,
	int period,
	int nper,
	double pv,
	double fv,
	FinancePeriod time
)

Public Shared Function Ipmt ( 
	rate As Double,
	period As Integer,
	nper As Integer,
	pv As Double,
	fv As Double,
	time As FinancePeriod
) As Double

public:
static double Ipmt(
	double rate, 
	int period, 
	int nper, 
	double pv, 
	double fv, 
	FinancePeriod time
)

static member Ipmt : 
        rate : float * 
        period : int * 
        nper : int * 
        pv : float * 
        fv : float * 
        time : FinancePeriod -> float

Parameters

rate: Type: SystemDouble
A double which specifies the interest rate.
period: Type: SystemInt32
A int which specifies the payment period.
nper: Type: SystemInt32
A int which specifies the total number of periods.
pv: Type: SystemDouble
A double which specifies the present value.
fv: Type: SystemDouble
A double which specifies the future value.
time: Type: Imsl.FinanceFinancePeriod
The time of a Period when the payment is made (either AtEnd or AtBeginning).

Return Value

Type: Double
A double which specifies the interest payment for a given period for an investment.

Remarks

It is computed using the following:

$\left\{ {{\it pv}\left( {1 + {\it rate}} \right)^{{\it nper} - 1} + {\it pmt} \left( {1 + {\it rate} \times {\it period}} \right) {{{\left( {1 + {\it rate}} \right)^{{\it nper} - 1} } \over {\it rate}}} } \right\} {\it rate}$

Reference

Finance Class

Imsl.Finance Namespace

Other Resources

Example