numpy.ppmt()

numpy.ppmt(rate, per, nper, pv, fv=0.0, when='end') [source]

Compute the payment against loan principal.

Parameters:

Parameters:	rate : array_like Rate of interest (per period) per : array_like, int Amount paid against the loan changes. The `per` is the period of interest. nper : array_like Number of compounding periods pv : array_like Present value fv : array_like, optional Future value when : {{?begin?, 1}, {?end?, 0}}, {string, int} When payments are due (?begin? (1) or ?end? (0))

rate : array_like

Rate of interest (per period)

per : array_like, int

Amount paid against the loan changes. The per is the period of interest.

nper : array_like

Number of compounding periods

pv : array_like

Present value

fv : array_like, optional

Future value

when : {{?begin?, 1}, {?end?, 0}}, {string, int}

When payments are due (?begin? (1) or ?end? (0))