It can also produce some interesting pictures.

   load 'viewmat'
   viewmat e.16$0 1
   viewmat (8:(#.\)])"1 e.16$i.4

   viewmat e.256 [EMAIL PROTECTED] 2
   viewmat e.256 [EMAIL PROTECTED] 4
   viewmat e.256 [EMAIL PROTECTED] 256
   viewmat e./:~256 [EMAIL PROTECTED] 32

   viewmat (8:(#.\)])"1 e.256 [EMAIL PROTECTED] 2
   viewmat (8:(#.\)])"1 /:"1 e.256 [EMAIL PROTECTED] 2

   viewmat e.<;._2] 256 [EMAIL PROTECTED] 2
   viewmat e.<;._2] 256 [EMAIL PROTECTED] 4
   viewmat /:"1 e.<;._2] 256 [EMAIL PROTECTED] 4

   viewmat e.<;._2] 256 [EMAIL PROTECTED] 128
   viewmat /:"1 e.<;._2] 256 [EMAIL PROTECTED] 128

   viewmat /:"1(8:(#.\)])"1 e.<;._2] 256 [EMAIL PROTECTED] 4


NB. Copy all above, 
NB. In J: Ctrl+N, Ctrl+V, Ctrl+A, Ctrl+E

--- Henry Rich <[EMAIL PROTECTED]> wrote:

> Except for e. i. n to produce an identity matrix, has anybody
> ever used monad e. ?
> 
> Henry Rich


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