I wouldn't have been surprised if the J convention had been y f x rather than x f y so that the more common argument identifier is x. Rather surprised that it's not, actually.
Sent from my iPod On Feb 24, 2010, at 12:18 PM, "Dan Bron" <[email protected]> wrote: > > Mnemonic: left arguments always have single-letter names which, > in the alphabet, appears one letter to the left of the letter > selected > for the corresponding right argument; x vs y, u vs v, m vs n, f > vs g. > Note that this may run counter to the mathematical convention > which reverses these roles (e.g. a math function with a single > argument will name it x, and if a second argument is added it is > named y; but in J the initial argument is always named y and a > second argument is always named x) > > ... ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
