On Sun, Feb 26, 2012 at 10:08 AM, Linda Alvord <lindaalv...@verizon.net> wrote: > What is the difference between these two?
Grammar. > ]\.'abcde' > abcde > bcde > cde > de > e Look at the documentation for (\.), http://www.jsoftware.com/help/dictionary/d431.htm. The left argument to the suffix adverb \. is expected to be a verb or gerund. As such, (]\.) produces a valid derived verb that applies right-identity to suffixes of 'abcde'. Another example, <\.'abcde' +-----+----+---+--+-+ |abcde|bcde|cde|de|e| +-----+----+---+--+-+ where <\. is a derived verb that boxes suffixes. > 'abcde'\.'abcde' > |domain error > | 'abcde'\.'abcde' The domain error is due to the left argument to suffix (\.) being a noun rather than a verb. By way of analogy, consider the difference between, 'abc'/ |domain error | 'abc'/ and ]/ ]/ Best, M ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm