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"Sherlock, Ric" <[email protected]> writes:
> Here are a number of different ways, none of them as nice and simple
> as Henry's. But they show how you can build a left argument for { to
> give you what you want.
That may help me, actually.
> ((<0;(i.3);2),(<1;(i.2);2),(<2;(i.4);2)){a
> 2 7 12 0
> 22 27 0 0
> 42 47 52 57
I thought of that one, but I was trying to avoid enumerating each
table (there are at least 10).
> (<"1((i.3);2),((i.2);2),:((i.4);2)){"0 2 a
> 2 7 12 0
> 22 27 0 0
> 42 47 52 57
Nifty use of rank!
> (<@(2 ;~ i.)"0 ] 3 2 4) {"0 2 a
> 2 7 12 0
> 22 27 0 0
> 42 47 52 57
I like this: nifty rank usage plus the numbers I need to provide (3 2 4)
all stuck together.
> (<@(2 ;~ i.)"0 ] 3 2 4) <@{"0 2 a
> +------+-----+-----------+
> |2 7 12|22 27|42 47 52 57|
> +------+-----+-----------+
Nice, too, for I can also count the number of valid datapoints that way.
Thanks, Ric.
Bill
- --
Bill Harris http://facilitatedsystems.com/weblog/
Facilitated Systems Everett, WA 98208 USA
http://facilitatedsystems.com/ phone: +1 425 337-5541
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