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

[Juergen Sauermann]

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