The effect you are seeing is from boxed display and has nothing to do with the dyad ": or laminate.
] a=: 'aa';'bbbbbbbb' +--+--------+ |aa|bbbbbbbb| +--+--------+ ] b=: 'cccc';'dddd' +----+----+ |cccc|dddd| +----+----+ 2 2$a,b +----+--------+ |aa |bbbbbbbb| +----+--------+ |cccc|dddd | +----+--------+ In boxed display, the contents of each box is put into the upper left corner of its space. You can explore the details of boxed display in http://www.jsoftware.com/jwiki/Essays/Boxed_Array_Display ----- Original Message ----- From: Bill Harris <[EMAIL PROTECTED]> Date: Thursday, April 5, 2007 11:21 am Subject: Re: [Jprogramming] ": error? > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Roger Hui <[EMAIL PROTECTED]> writes: > > > I box the results to show better any justification. > > That makes sense. > > > When there is only one number it's hard to see the > > justification, if any. Use more than one number. > > I did, and I get your results: > > < 10j2 ": 11^i.5 1 > +----------+ > ¦ 1.00¦ > ¦ 11.00¦ > ¦ 121.00¦ > ¦ 1331.00¦ > ¦ 14641.00¦ > +----------+ > < 0j2 ": 11^i.5 1 > +--------+ > ¦ 1.00¦ > ¦ 11.00¦ > ¦ 121.00¦ > ¦ 1331.00¦ > ¦14641.00¦ > +--------+ > > But... > > Try this: > > ,----[ 29.ijs ] > | a=: 'Line 1'; 10j2 ": 12345.67 > | a=: a,:'Line 2'; 10j2 ": 6543.21 > | > | b=: 'Line 1'; 0j2 ": 12345.67 > | b=: b,:'Line 2'; 0j2 ": 6543.21 > `---- > > ,----[ Fresh ijx session ] > | load 'c:\program files\j601\temp\29.ijs' > | a > | +-----------------+ > | ¦Line 1¦ 12345.67¦ > | +------+----------¦ > | ¦Line 2¦ 6543.21¦ > | +-----------------+ > | b > | +---------------+ > | ¦Line 1¦12345.67¦ > | +------+--------¦ > | ¦Line 2¦6543.21 ¦ > | +---------------+ > | 9!:14'' > | j601/2006-11-17/17:05 > | $ each a > | +----+ > | ¦6¦10¦ > | +-+--¦ > | ¦6¦10¦ > | +----+ > | $ each b > | +---+ > | ¦6¦8¦ > | +-+-¦ > | ¦6¦7¦ > | +---+ > `---- > > I almost I see what's going on, but I'm still confused. 6543.21 is > right-justified in it's space. As the DoJ says "enough space is > allocated" and the number is only 7 wide, it's shoved up against the > right of it's 7-character-wide space. When I create B, ,: seems to > extend the cell with 6543.21 by appending a space, which then > messes up > the right justification. > > Except the definition of laminate says it reshapes atomic > arguments, and > neither argument to ,: seem to be atomic. > > And except that $ each b says the length is still 7, not 8. > > What am I misunderstanding? > > Thanks, > > Bill ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
