On Wed, Apr 28, 2010 at 10:59 AM, Randy MacDonald <[email protected]> wrote:
> Something I have not seen in the responses, which uses forks, is:
>
>   A =: 0&{
>   B =: 1&{
>   C =: 2&{
>   D =: 3&{
>
> leading to:
>
>   ExpectedVolatility =: (A+B)*C+D   NB. usage: ExpectedVolatility data

I think that should have been:

   ExpectedVolatility =: ((A+B)*C)+D

because (A+B)*C+D was "non j notation" which means, from a J
programmer's point of view, that there was an implicit parenthesis
surrounding everything to the left of the + signs.

-- 
Raul
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