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Re: [Bug-apl] take and drop on matrixes?


From: Alexey Veretennikov
Subject: Re: [Bug-apl] take and drop on matrixes?
Date: Sun, 30 Aug 2015 00:02:12 +0200

Thanks, it looks indeed like I have to specify all sizes in GNU APL.

Br,
/Alexey

2015-08-29 22:23 GMT+02:00 Juergen Sauermann <address@hidden>:
Hi Alexey,

I believe you are using a Dyalog-specific feature.

Try 
2 2↑XG1 instead.

/// Jürgen


On 08/29/2015 06:56 PM, Alexey Veretennikov wrote:
Hi list

The following code with given matrix XG1 produces an error in GNU APL on attempt to take or drop rows:

      XG1
1 9 5 3 6
5 4 8 2 3
7 7 6 2 6
      ⍴XG1
3 5
      2↑XG1
RANK ERROR
      2↑XG1
      ^ ^
      2↓XG1
RANK ERROR
      2↓XG1
      ^ ^

However this works fine on Dyalog APL:
      2↑XG1
1 9 5 3 6
5 4 8 2 3

Is where some incompatibilities with a standard?

Br,
/Alexey




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