> From: PackRat
>
> t1=: '2009-09-04';'2009-09-03';'2009-09-02';'2009-09-01'
> t2=: '9345.36';'9282.03';'9306.21';'9492.32'
> t=: t1 ,: t2
>
> +----------+----------+----------+----------+
> |2009-09-04|2009-09-03|2009-09-02|2009-09-01|
> +----------+----------+----------+----------+
> |9345.36 |9282.03 |9306.21 |9492.32 |
> +----------+----------+----------+----------+
>
> mm=. 1 1 1 1 0 1 1 0 1 1 NB. yyyy-mm-dd --> yyyymmdd
>
> I can't figure out how to make # apply to all the values in the row at
> once
mm&# &.> 0{t
+--------+--------+--------+--------+
|20090904|20090903|20090902|20090901|
+--------+--------+--------+--------+
(<mm) # &.> 0{t
+--------+--------+--------+--------+
|20090904|20090903|20090902|20090901|
+--------+--------+--------+--------+
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