It comes down to
+:&0 b. _1
|domain error
| +:&0 b._1
Henry Rich
On 8/9/2018 9:45 AM, Martin Kreuzer wrote:
On this machine
JVERSION
Engine: j805/j32/windows
Release: commercial/2016-12-11T08:03:59
Library: 8.05.10
Platform: Win 32
Installer: J805 install
InstallPath: e:/program files (non-sys)/j805
Contact: www.jsoftware.com
and as well
JVERSION
Engine: j807/j32/windows
Beta-g: commercial/2018-07-02T18:12:05
Library: 8.07.16
Platform: Win 32
Installer: J807 install
InstallPath: e:/program files (non-sys)/j807
Contact: www.jsoftware.com
-M
At 2018-08-09 12:38, you wrote:
There was no warning that negative numbers were not allowed.
Especially considering that the "equivalent" phrase accommodates a
negative
number.
+:^:_5 (1)
0.03125
_5(+:@[&0)1
|domain error
| _5 (+:@[&0)1
http://www.jsoftware.com/help/dictionary/d630n.htm
JVERSION
Engine: j807/j64/darwin
Beta-f: commercial/2018-06-28T12:14:57
Library: 8.07.16
Platform: Darwin 64
Installer: J807 install
InstallPath: /users/brian/j64-807
Contact: www.jsoftware.com
On Thu, Aug 9, 2018 at 6:03 AM, Martin Kreuzer <[email protected]>
wrote:
> ** Brian
> Took your hint and managed to put together a named verb which does
work
> even for lists
> p=. 13 : '1(+:@[&0)~y'
> p i.5
> 1 2 4 8 16
> pt=. 1 (+:@[&0)~ ]
> pt i.5
> 1 2 4 8 16
> but for some reason not for negative arguments ..
> p -i.5
> |domain error: p
> | p-i.5
> -M
> --
(B=)
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