Roger Hui wrote:
> Can you provide a few convincing examples of the
> use of the extended +: and *: ?
sorry I was wrong again. logic negation is 0&= not -. so that
0&[EMAIL PROTECTED]/~ i.5
1 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0&[EMAIL PROTECTED]/~ i.5
1 1 1 1 1
1 0 0 0 0
1 0 0 0 0
1 0 0 0 0
1 0 0 0 0
if +: is 0&[EMAIL PROTECTED] then it can be used in T block without giving
domain error.
This also agrees with T block convection that anything non-zero to be true.
if. 3 +. 2 do. NB. allow
if. 3 *. 2 do.
but
if. 3 +: 2 do. NB. domain error if not extended
if. 3 *: 2 do.
--
regards,
bill
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