Calculate barrier option prices using finite difference method

`[`

calculates European and American barrier option prices on a single underlying asset
using the finite difference method. `Price`

,`PriceGrid`

,`AssetPrices`

,`Times`

]
= barrierbyfd(`RateSpec`

,`StockSpec`

,`OptSpec`

,`Strike`

,`Settle`

,`ExerciseDates`

,`BarrierSpec`

,`Barrier`

)`barrierbyfd`

assumes that the
barrier is continuously monitored.

`[`

adds optional name-value pair arguments. `Price`

,`PriceGrid`

,`AssetPrices`

,`Times`

]
= barrierbyfd(___,`Name,Value`

)`barrierbyfd`

assumes that
the barrier is continuously monitored.

[1] Hull, J. *Options, Futures, and Other Derivatives.* Fourth
Edition. Prentice Hall. 2000, pp. 646–649.

[2] Aitsahlia, F., L. Imhof, and T.L. Lai. “Pricing and hedging of American knock-in
options.” *The Journal of Derivatives.* Vol. 11.3, 2004, pp.
44–50.

[3] Rubinstein M. and E. Reiner. “Breaking down the barriers.” *Risk.* Vol.
4(8), 1991, pp. 28–35.

`barrierbybls`

| `barrierbyls`

| `barriersensbybls`

| `barriersensbyfd`

| `barriersensbyls`