NumPy | Python Methods and Functions

** numpy.ppmt (rate, nper, pv, fv, when = & # 39; end & # 39;) : ** this financial function helps the user to calculate the cost of the payment only by the main value.

Parameters:

rate:[scalar or (M,) array] Rate of interest as decimal (not per cent) per period

nper:[scalar or (M,) array] total compounding periods

fv:[scalar or (M ,) array] Future value

pv:[scalar or (M,) array] present value

when:at the beginning (when = { `begin`, 1}) or the end (when = {`end`, 0}) of each period.Default is {`end`, 0}

Return:Payment value as per the principal value only.

** Solving the equation: **

fv + pv * (1 + rate) * * nper + pmt * (1 + rate * when) / rate * ((1 + rate) ** nper - 1) == 0

or

when rate == 0

fv + pv + pmt * nper == 0

Code :

`# Python program explaining`

`# ppmt () function`

`import`

`numpy as np`

`“ »»`

`Question:`

`the monthly payment required to pay off the $ 10,000 loan`

`after 12 years at an annual interest rate of 10%`

`"" "`

`# Rate NP PV`

`Solution`

`=`

`np.ppmt (`

`0.10`

`/`

`12`

`,`

`12`

`*`

`12`

`,`

`10`

`,`

`000`

`)`

`# Here fv = 0; Also the default is fv = 0`

`(`

`" Solution: "`

`, Solution)`

Exit :Solution: -0.1195078262827336

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