Oh, I see.   I didn't understand what it was getting at!  That might explain why
I've found amend pretty slow at times!  And it exposes my own failure to
grasp some of the amend description.

I'll restore the error reporting!

Cheers,

Mike

On 28/04/2022 23:20, Henry Rich wrote:
Gagging the critic, eh?  It's just trying to help:

   r =. i. 3 4000
   l =. i. 3 2
   7!:2 'r =. l 1 2}"1 r'
165696
   7!:2 'r =. l (<a:;1 2)} r'
1856

Henry Rich

On 4/28/2022 6:08 PM, 'Michael Day' via Beta wrote:
I've just encountered this rather surprising instance of the error message.

   (i.3 2) 1 2}"1 i.3 4
(004) m}"n should be executed without " using leading axes of a: in m
0 0 1  3
4 2 3  7
8 4 5 11

However,  this works without any grumbling:
   1 2{"1 i.3 4
1  2
5  6
9 10

This is an example I've cooked up for this report;  the actual line of code
is slightly more interesting:  I'm trying to replace some columns in an
matrix with new values.  Actually it's Fannkuch -flipping the first few
columns!  I was looking at my code after yesterday's post re fannkuch redux.

I've killed the message now,  with  9!:55 ] 1e6 ; 4

   JVERSION
Engine: j904/j64avx2/windows
Beta-b: commercial/2022-04-12T18:59:13
Library: 9.04.01
Qt IDE: 2.0.3/6.2.4(6.2.4)
Platform: Win 64
Installer: J904 install
InstallPath: c:/d/j904-beta
Contact: www.jsoftware.com

Thanks,

Mike





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