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March 9, 2023 17:06
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Session transcript from Adám's presentation at BAA Vector Webinar 2023-03-09
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{1,2=/⍵}'rooobert' | |
1 0 1 1 0 0 0 0 | |
{1,2≠/⍵}'rooobert' | |
1 1 0 0 1 1 1 1 | |
{⍵/⍨1,2≠/⍵}'rooobert' | |
robert | |
≢'⎕←{⍵/⍨1,2≠/⍵}⍞' | |
14 | |
'UTF-8'⎕UCS'⎕←{⍵/⍨1,2≠/⍵}⍞' | |
226 142 149 226 134 144 123 226 141 181 47 226 141 168 49 44 50 226 137 160 | |
47 226 141 181 125 226 141 158 | |
≢'UTF-8'⎕UCS'⎕←{⍵/⍨1,2≠/⍵}⍞' | |
28 | |
10{⍺⍵}10 20 30 | |
10 10 20 30 | |
]box on | |
Was OFF | |
10{⍺⍵}10 20 30 | |
┌──┬────────┐ | |
│10│10 20 30│ | |
└──┴────────┘ | |
{⍺⍵}10 20 30 | |
VALUE ERROR | |
{⍺ ⍵}10 20 30 | |
∧ | |
10{⍺←⊢ ⋄ ⍺⍵}10 20 30 | |
┌──┬────────┐ | |
│10│10 20 30│ | |
└──┴────────┘ | |
{⍺←⊢ ⋄ ⍺⍵}10 20 30 | |
10 20 30 | |
F← {⍺←⊢ ⋄ ⍺⍵} | |
a←3 4⍴⎕A | |
b←2 3 4⍴⎕C⎕A | |
a | |
ABCD | |
EFGH | |
IJKL | |
b | |
abcd | |
efgh | |
ijkl | |
mnop | |
qrst | |
uvwx | |
F←{⍺←⊢ ⋄ ⍺'F'⍵} | |
F 10 | |
F 10 | |
30 F 10 | |
30 F 10 | |
b | |
abcd | |
efgh | |
ijkl | |
mnop | |
qrst | |
uvwx | |
(F⍤2)b | |
┌─┬────┐ | |
│F│abcd│ | |
│ │efgh│ | |
│ │ijkl│ | |
├─┼────┤ | |
│F│mnop│ | |
│ │qrst│ | |
│ │uvwx│ | |
└─┴────┘ | |
a(F⍤2)b | |
┌────┬─┬────┐ | |
│ABCD│F│abcd│ | |
│EFGH│ │efgh│ | |
│IJKL│ │ijkl│ | |
├────┼─┼────┤ | |
│ABCD│F│mnop│ | |
│EFGH│ │qrst│ | |
│IJKL│ │uvwx│ | |
└────┴─┴────┘ | |
a | |
ABCD | |
EFGH | |
IJKL | |
b | |
abcd | |
efgh | |
ijkl | |
mnop | |
qrst | |
uvwx | |
c←2 5⍴⎕D | |
c | |
01234 | |
56789 | |
b | |
abcd | |
efgh | |
ijkl | |
mnop | |
qrst | |
uvwx | |
c(F⍤1 2)b | |
┌─────┬─┬────┐ | |
│01234│F│abcd│ | |
│ │ │efgh│ | |
│ │ │ijkl│ | |
├─────┼─┼────┤ | |
│56789│F│mnop│ | |
│ │ │qrst│ | |
│ │ │uvwx│ | |
└─────┴─┴────┘ | |
(F⍤1 2)b | |
┌─┬────┐ | |
│F│abcd│ | |
│ │efgh│ | |
│ │ijkl│ | |
├─┼────┤ | |
│F│mnop│ | |
│ │qrst│ | |
│ │uvwx│ | |
└─┴────┘ | |
(F⍤3 1 2)b | |
┌─┬────┐ | |
│F│abcd│ | |
│ │efgh│ | |
│ │ijkl│ | |
│ │ │ | |
│ │mnop│ | |
│ │qrst│ | |
│ │uvwx│ | |
└─┴────┘ | |
c(F⍤3 1 2)b | |
┌─────┬─┬────┐ | |
│01234│F│abcd│ | |
│ │ │efgh│ | |
│ │ │ijkl│ | |
├─────┼─┼────┤ | |
│56789│F│mnop│ | |
│ │ │qrst│ | |
│ │ │uvwx│ | |
└─────┴─┴────┘ | |
G←{⍺←'xyz' ⋄ ⍺ ⍵} | |
(G⍤2)b | |
┌───┬────┐ | |
│xyz│abcd│ | |
│ │efgh│ | |
│ │ijkl│ | |
├───┼────┤ | |
│xyz│mnop│ | |
│ │qrst│ | |
│ │uvwx│ | |
└───┴────┘ | |
c(G⍤2)b | |
┌─────┬────┐ | |
│01234│abcd│ | |
│56789│efgh│ | |
│ │ijkl│ | |
├─────┼────┤ | |
│01234│mnop│ | |
│56789│qrst│ | |
│ │uvwx│ | |
└─────┴────┘ | |
c(G⍤1 2)b | |
┌─────┬────┐ | |
│01234│abcd│ | |
│ │efgh│ | |
│ │ijkl│ | |
├─────┼────┤ | |
│56789│mnop│ | |
│ │qrst│ | |
│ │uvwx│ | |
└─────┴────┘ | |
(G⍤1 2)b | |
┌───┬────┐ | |
│xyz│abcd│ | |
│ │efgh│ | |
│ │ijkl│ | |
├───┼────┤ | |
│xyz│mnop│ | |
│ │qrst│ | |
│ │uvwx│ | |
└───┴────┘ | |
(G⍤3 1 2)b | |
┌───┬────┐ | |
│xyz│abcd│ | |
│ │efgh│ | |
│ │ijkl│ | |
│ │ │ | |
│ │mnop│ | |
│ │qrst│ | |
│ │uvwx│ | |
└───┴────┘ | |
c(G⍤3 1 2)b | |
┌─────┬────┐ | |
│01234│abcd│ | |
│ │efgh│ | |
│ │ijkl│ | |
├─────┼────┤ | |
│56789│mnop│ | |
│ │qrst│ | |
│ │uvwx│ | |
└─────┴────┘ | |
c(G⍤2 1 2)b | |
┌─────┬────┐ | |
│01234│abcd│ | |
│ │efgh│ | |
│ │ijkl│ | |
├─────┼────┤ | |
│56789│mnop│ | |
│ │qrst│ | |
│ │uvwx│ | |
└─────┴────┘ | |
(G⍤2 1 2)b | |
┌───┬────┐ | |
│xyz│abcd│ | |
│ │efgh│ | |
│ │ijkl│ | |
├───┼────┤ | |
│xyz│mnop│ | |
│ │qrst│ | |
│ │uvwx│ | |
└───┴────┘ | |
(G⍤3 1 2)b | |
┌───┬────┐ | |
│xyz│abcd│ | |
│ │efgh│ | |
│ │ijkl│ | |
│ │ │ | |
│ │mnop│ | |
│ │qrst│ | |
│ │uvwx│ | |
└───┴────┘ | |
(G⍤1 1 2)b | |
┌───┬────┐ | |
│xyz│abcd│ | |
├───┼────┤ | |
│xyz│efgh│ | |
├───┼────┤ | |
│xyz│ijkl│ | |
└───┴────┘ | |
┌───┬────┐ | |
│xyz│mnop│ | |
├───┼────┤ | |
│xyz│qrst│ | |
├───┼────┤ | |
│xyz│uvwx│ | |
└───┴────┘ | |
(G⍤0 1 2)b | |
┌───┬─┐ | |
│xyz│a│ | |
├───┼─┤ | |
│xyz│b│ | |
├───┼─┤ | |
│xyz│c│ | |
├───┼─┤ | |
│xyz│d│ | |
└───┴─┘ | |
┌───┬─┐ | |
│xyz│e│ | |
├───┼─┤ | |
│xyz│f│ | |
├───┼─┤ | |
│xyz│g│ | |
├───┼─┤ | |
│xyz│h│ | |
└───┴─┘ | |
┌───┬─┐ | |
│xyz│i│ | |
├───┼─┤ | |
│xyz│j│ | |
├───┼─┤ | |
│xyz│k│ | |
├───┼─┤ | |
│xyz│l│ | |
└───┴─┘ | |
┌───┬─┐ | |
│xyz│m│ | |
├───┼─┤ | |
│xyz│n│ | |
├───┼─┤ | |
│xyz│o│ | |
├───┼─┤ | |
│xyz│p│ | |
└───┴─┘ | |
┌───┬─┐ | |
│xyz│q│ | |
├───┼─┤ | |
│xyz│r│ | |
├───┼─┤ | |
│xyz│s│ | |
├───┼─┤ | |
│xyz│t│ | |
└───┴─┘ | |
┌───┬─┐ | |
│xyz│u│ | |
├───┼─┤ | |
│xyz│v│ | |
├───┼─┤ | |
│xyz│w│ | |
├───┼─┤ | |
│xyz│x│ | |
└───┴─┘ | |
(G⍤5 1 2)b | |
┌───┬────┐ | |
│xyz│abcd│ | |
│ │efgh│ | |
│ │ijkl│ | |
│ │ │ | |
│ │mnop│ | |
│ │qrst│ | |
│ │uvwx│ | |
└───┴────┘ | |
(G⍤99 1 2)b | |
┌───┬────┐ | |
│xyz│abcd│ | |
│ │efgh│ | |
│ │ijkl│ | |
│ │ │ | |
│ │mnop│ | |
│ │qrst│ | |
│ │uvwx│ | |
└───┴────┘ | |
(G⍤(⌊/⍬) 1 2)b | |
┌───┬────┐ | |
│xyz│abcd│ | |
│ │efgh│ | |
│ │ijkl│ | |
│ │ │ | |
│ │mnop│ | |
│ │qrst│ | |
│ │uvwx│ | |
└───┴────┘ | |
(G⍤0)c | |
┌───┬─┐ | |
│xyz│0│ | |
├───┼─┤ | |
│xyz│1│ | |
├───┼─┤ | |
│xyz│2│ | |
├───┼─┤ | |
│xyz│3│ | |
├───┼─┤ | |
│xyz│4│ | |
└───┴─┘ | |
┌───┬─┐ | |
│xyz│5│ | |
├───┼─┤ | |
│xyz│6│ | |
├───┼─┤ | |
│xyz│7│ | |
├───┼─┤ | |
│xyz│8│ | |
├───┼─┤ | |
│xyz│9│ | |
└───┴─┘ | |
c | |
01234 | |
56789 | |
G¨c | |
┌───────┬───────┬───────┬───────┬───────┐ | |
│┌───┬─┐│┌───┬─┐│┌───┬─┐│┌───┬─┐│┌───┬─┐│ | |
││xyz│0│││xyz│1│││xyz│2│││xyz│3│││xyz│4││ | |
│└───┴─┘│└───┴─┘│└───┴─┘│└───┴─┘│└───┴─┘│ | |
├───────┼───────┼───────┼───────┼───────┤ | |
│┌───┬─┐│┌───┬─┐│┌───┬─┐│┌───┬─┐│┌───┬─┐│ | |
││xyz│5│││xyz│6│││xyz│7│││xyz│8│││xyz│9││ | |
│└───┴─┘│└───┴─┘│└───┴─┘│└───┴─┘│└───┴─┘│ | |
└───────┴───────┴───────┴───────┴───────┘ | |
(G⍤0)c | |
┌───┬─┐ | |
│xyz│0│ | |
├───┼─┤ | |
│xyz│1│ | |
├───┼─┤ | |
│xyz│2│ | |
├───┼─┤ | |
│xyz│3│ | |
├───┼─┤ | |
│xyz│4│ | |
└───┴─┘ | |
┌───┬─┐ | |
│xyz│5│ | |
├───┼─┤ | |
│xyz│6│ | |
├───┼─┤ | |
│xyz│7│ | |
├───┼─┤ | |
│xyz│8│ | |
├───┼─┤ | |
│xyz│9│ | |
└───┴─┘ | |
G | |
{⍺←'xyz' ⋄ ⍺ ⍵} | |
G¨c | |
┌───────┬───────┬───────┬───────┬───────┐ | |
│┌───┬─┐│┌───┬─┐│┌───┬─┐│┌───┬─┐│┌───┬─┐│ | |
││xyz│0│││xyz│1│││xyz│2│││xyz│3│││xyz│4││ | |
│└───┴─┘│└───┴─┘│└───┴─┘│└───┴─┘│└───┴─┘│ | |
├───────┼───────┼───────┼───────┼───────┤ | |
│┌───┬─┐│┌───┬─┐│┌───┬─┐│┌───┬─┐│┌───┬─┐│ | |
││xyz│5│││xyz│6│││xyz│7│││xyz│8│││xyz│9││ | |
│└───┴─┘│└───┴─┘│└───┴─┘│└───┴─┘│└───┴─┘│ | |
└───────┴───────┴───────┴───────┴───────┘ | |
G 10 20 30 | |
┌───┬────────┐ | |
│xyz│10 20 30│ | |
└───┴────────┘ | |
⊂⍤G 10 20 30 | |
┌──────────────┐ | |
│┌───┬────────┐│ | |
││xyz│10 20 30││ | |
│└───┴────────┘│ | |
└──────────────┘ | |
G¨c | |
┌───────┬───────┬───────┬───────┬───────┐ | |
│┌───┬─┐│┌───┬─┐│┌───┬─┐│┌───┬─┐│┌───┬─┐│ | |
││xyz│0│││xyz│1│││xyz│2│││xyz│3│││xyz│4││ | |
│└───┴─┘│└───┴─┘│└───┴─┘│└───┴─┘│└───┴─┘│ | |
├───────┼───────┼───────┼───────┼───────┤ | |
│┌───┬─┐│┌───┬─┐│┌───┬─┐│┌───┬─┐│┌───┬─┐│ | |
││xyz│5│││xyz│6│││xyz│7│││xyz│8│││xyz│9││ | |
│└───┴─┘│└───┴─┘│└───┴─┘│└───┴─┘│└───┴─┘│ | |
└───────┴───────┴───────┴───────┴───────┘ | |
(⊂⍤G⍤0)c | |
┌───────┬───────┬───────┬───────┬───────┐ | |
│┌───┬─┐│┌───┬─┐│┌───┬─┐│┌───┬─┐│┌───┬─┐│ | |
││xyz│0│││xyz│1│││xyz│2│││xyz│3│││xyz│4││ | |
│└───┴─┘│└───┴─┘│└───┴─┘│└───┴─┘│└───┴─┘│ | |
├───────┼───────┼───────┼───────┼───────┤ | |
│┌───┬─┐│┌───┬─┐│┌───┬─┐│┌───┬─┐│┌───┬─┐│ | |
││xyz│5│││xyz│6│││xyz│7│││xyz│8│││xyz│9││ | |
│└───┴─┘│└───┴─┘│└───┴─┘│└───┴─┘│└───┴─┘│ | |
└───────┴───────┴───────┴───────┴───────┘ | |
Each←{⍺←⊢ ⋄ ⍺⊂⍤⍺⍺⍥⊃⍤0⊢⍵} | |
'abc','XYZ' | |
abcXYZ | |
'abc',⍥⌽'XYZ' | |
cbaZYX | |
'abc',⍥⌽'XYZ' | |
cbaZYX | |
]aplcart holler | |
X,Y,Z:any M,N:num I,J:int A,B:Bool C,D:char f,g,h:fn ax:axis s:scal v:vec m:mat | |
─────────────────────────────────────────────────────────────────────────────── | |
─────────────────────────────────────────────────────────────────────────────── | |
Showing 0 of 0 matches (suggestions? mailto://[email protected] ) | |
]aplcart pout | |
X,Y,Z:any M,N:num I,J:int A,B:Bool C,D:char f,g,h:fn ax:axis s:scal v:vec m:mat | |
────────────────────────────────────────────────────────────────────────────────────────────────────── | |
X f⍤g Y ⍝ Atop (B₁-combinator): f on the result of X g Y, that is, f X g Y | |
f⍤g Y ⍝ Atop (B-combinator): f on the result of g on Y, that is, f g Y | |
X(f⍤Is Js)Y ⍝ Rank: f between every trailing rank-Is subarray of X and every trailing rank-Js | |
subarray of Y | |
(f⍤Js)Y ⍝ Rank: f on every trailing rank-Js subarray of Y | |
────────────────────────────────────────────────────────────────────────────────────────────────────── | |
Showing 4 of 4 matches | |
]aplcart splat | |
X,Y,Z:any M,N:num I,J:int A,B:Bool C,D:char f,g,h:fn ax:axis s:scal v:vec m:mat | |
─────────────────────────────────────────────────────────────────────────────── | |
⍟N ⍝ Natural logarithm of N | |
M⍟N ⍝ Base-M logarithm of N | |
─────────────────────────────────────────────────────────────────────────────── | |
Showing 2 of 2 matches | |
]aplcart r2d2 | |
X,Y,Z:any M,N:num I,J:int A,B:Bool C,D:char f,g,h:fn ax:axis s:scal v:vec m:mat | |
─────────────────────────────────────────────────────────────────────────────── | |
⍝ ⍝ Comment symbol (disables rest of line) | |
─────────────────────────────────────────────────────────────────────────────── | |
Showing 1 of 1 matches | |
]aplcart -? | |
─────────────────────────────────────────────────────────────────────────────── | |
]TOOLS.APLCart | |
Access a searchable collection of over 3000 short APL phrases | |
]APLCart [<terms>] [-list[=n]] [-url] [-browser] [-popup] [-theme=b|w] [-refresh] | |
]APLCart -?? ⍝ for details and examples | |
]APLCart is a frontend for the ⎕SE.Dyalog.Utils.APLcart function. | |
] | |
─────────────────────────────────────────────────────────────────────────────── | |
General Help for User Commands | |
]cmd ⍝ Execute Cmd command | |
]⎕←cmd ⍝ Display Cmd's result line-by-line | |
]var←cmd ⍝ Capture Cmd's result in var | |
]grp -? ⍝ Brief information on commands in group "GRP" | |
]grp.cmd -? ⍝ Brief information on command "Cmd" of the "GRP" group | |
]grp.cmd -?? ⍝ Detailed information on command | |
]grp.cmd -??? ⍝ add question marks for more info | |
] ⍝ This help message | |
] -? ⍝ List all commands | |
] -?? ⍝ List all commands with summaries | |
]X*YZ* -? ⍝ List commands or groups that match a pattern | |
]/path/dir -? ⍝ List commands in /path/dir | |
]ucmd -? ⍝ List commands for working with user commands | |
10 20 × 1 2 3 | |
LENGTH ERROR: Mismatched left and right argument shapes | |
10 20×1 2 3 | |
∧ | |
10 20(×⍤0 1)1 2 3 | |
10 20 30 | |
20 40 60 | |
10 20(×⍤1 0)1 2 3 | |
10 20 | |
20 40 | |
30 60 | |
'abc'×'def' | |
DOMAIN ERROR | |
'abc'×'def' | |
∧ | |
⎕DMX.InternalLocation | |
┌─────┬───┐ | |
│acc.c│132│ | |
└─────┴───┘ | |
⍝ Diagonstic Message eXtended | |
⎕DM | |
┌────────────┬─────────────────┬────────────┐ | |
│DOMAIN ERROR│ 'abc'×'def'│ ∧│ | |
└────────────┴─────────────────┴────────────┘ | |
⎕DMX.Vendor | |
Dyalog | |
⎕DMX.HelpURL | |
⎕JSON⎕DMX | |
{"Category":"","DM":["DOMAIN ERROR"," 'abc'×'def'"," ∧"],"EM":"DOMAIN ERROR","EN":11,"E | |
NX":0,"HelpURL":"","InternalLocation":["acc.c",132],"Message":"","OSError":[0,0,""],"Vendor":"Dy | |
alog"} | |
⎕DMX | |
EM DOMAIN ERROR | |
Message | |
→→⍳⌹ |
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