numpy.ppmt

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

Compute the payment against loan principal.

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))

See also

pmt, pv, ipmt