Bond-Pricing; Black Scholes

Convenience functions for finding coupon dates and number of coupons of a bond.

coupons.dates(settle, mature, freq = 2)

coupons.n(settle, mature, freq = 2)

coupons.next(settle, mature, freq = 2)

coupons.prev(settle, mature, freq = 2)

`settle`	The settlement date for which the bond is traded. Can be a character string or any object that can be converted into date using `as.Date`.
`mature`	The maturity date of the bond. Can be a character string or any object that can be converted into date using `as.Date`
`freq`	The frequency of coupon payments: 1 for annual, 2 for semi-annual, 12 for monthly.