Boxed sparse arrays or sparse boxed arrays will not be in J602. Currently there are no plans to add them to later releases.
----- Original Message ----- From: Fraser Jackson <[EMAIL PROTECTED]> Date: Tuesday, October 9, 2007 10:18 Subject: [Jbeta] Boxing sparse arrays To: Beta forum <[email protected]> > Sparse arrays are powerful, fast and very useful in J. > However the absence > of the ability to box them means that programs that use them > need to follow > a quite different set of design rules, the common usage of a > list of boxed > items as an argument avoided, and intermediate results handled > in different > ways. > > Given that it was not implemented earlier I suspect there are > major problems > in doing so. However I wonder if Roger could give us some > indication of > when monadic < might be added to the implementation status > for this valuable > data type. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
