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Control Structures in the Array Languages

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Array Cast - July 22, 2022
Show Notes

Many thanks to Bob Therriault, Marshall Lochbaum and Adám Brudzewsky for gathering these links:

[01] 00:01:10 Dyalog Problem /solving Contest https://contest.dyalog.com/?goto=welcome
[02] 00:01:35 Dyalog Early Bird Discount https://www.dyalog.com/user-meetings/dyalog22.htm
[03] 00:03:50 Iverson Notation https://apl.wiki/Iverson_Notation
[04] 00:05:06 GOTO in Early APL https://www.jsoftware.com/papers/APL1.htm#1.2
[05] 00:06:06 Control Structures https://en.wikipedia.org/wiki/Control_flow
[06] 00:08:33 Goto in APL https://aplwiki.com/wiki/Branch
[07] 00:09:45 Goto in J https://code.jsoftware.com/wiki/Vocabulary/gotodot
[08] 00:09:55 try. catch. throw. in J https://code.jsoftware.com/wiki/Vocabulary/trydot
[09] 00:10:46 whilst. in J https://code.jsoftware.com/wiki/Vocabulary/whiledot
[10] 00:14:09 APL Control Structures https://aplwiki.com/wiki/Control_structure
[11] 00:17:43 J Control Structures https://code.jsoftware.com/wiki/Vocabulary/ControlStructures
[12] 00:18:00 if. else. elseif. do. end. in J https://code.jsoftware.com/wiki/Vocabulary/ifdot
[13] 00:20:40 singleton in APL https://aplwiki.com/wiki/Singleton
[14] 00:21:01 for. for_ijk. in J https://code.jsoftware.com/wiki/Vocabulary/fordot
[15] 00:23:45 Go language for loop syntax https://go.dev/tour/flowcontrol/1
[16] 00:25:22 Javascript Mapping arguments] https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map#syntax
[17] 00:26:21 Clojure Mapping https://clojuredocs.org/clojure.core/map
[18] 00:27:40 BQN Control Structures https://mlochbaum.github.io/BQN/doc/control.html
[19] 00:28:20 BQN Blocks https://mlochbaum.github.io/BQN/doc/block.html
[20] 00:28:49 BQN ? predicate https://mlochbaum.github.io/BQN/doc/block.html#predicates
[22] 00:31:05 APL if else operands https://dfns.dyalog.com/n_else.htm
[23] 00:31:42 BQN Stranded Block functions https://mlochbaum.github.io/BQN/doc/control.html#switch-case
[24] 00:32:30 APL Arguments and Operands https://aplwiki.com/wiki/Operand
[25] 00:36:00 Dfn Dop https://help.dyalog.com/latest/#Language/Defined%20Functions%20and%20Operators/DynamicFunctions/Dynamic%20Operators.htm
[26] 00:36:45 BQN Block definition and modifiers https://mlochbaum.github.io/BQN/doc/block.html
[27] 00:38:15 Power Operator
APL https://aplwiki.com/wiki/Power_(operator)
J https://code.jsoftware.com/wiki/Vocabulary/hatco
BQN https://mlochbaum.github.io/BQN/doc/repeat.html
[28] 00:41:30 k/Q Control Structures https://code.kx.com/q/ref/cond/
[29] 00:43:25 power operator in q https://code.kx.com/q/ref/do/
for in k ⍣n/^:n: https://k.miraheze.org/wiki/For
fixed point in k ⍣≡/^:_: https://k.miraheze.org/wiki/Fixedpoint
[30] 00:43:40 if in q https://code.kx.com/q/ref/if/
[31] 00:44:20 while in q https://code.kx.com/q/ref/while/
[32] 00:45:38 Replicate kludge example of if: in APL https://tryapl.org/?clear&q=a%E2%86%9010%20%E2%8B%84%20%E2%8D%8E(5%3C3)%2F%27a%E2%86%90a%2B1%27%20%E2%8B%84%20%E2%8E%95%E2%86%90a%20%E2%8B%84%20%E2%8D%8E(5%E2%89%A03)%2F%27a%E2%86%90a%2B1%27%20%E2%8B%84%20%E2%8E%95%E2%86%90a&run
[33] 00:51:00 J's z locale https://code.jsoftware.com/wiki/Vocabulary/ZeeLocale
[34] 00:52:29 Dfn guard example https://aplwiki.com/wiki/Dfn#Guards
[35] 00:54:20 Game of life with power operator https://tio.run/##SyzI0U2pTMzJT///3z3fR@FR2wSFam19nUe9W2sf9ewyVjB@1NF1aIWxtoHOoRWPuhb9//@obypQUWZeZklmYg6Qpf6od7667aO2iY969j7qnQdHXIe2H9oOlDu0nQtMQphgGsaEQC5dXV0ukN1QM8F8DaDAo97FRprYRI3hogA
[36] 00:56:40 BQN power operator without infinity https://mlochbaum.github.io/BQN/doc/repeat.html
[37] 00:58:34 Recursion in BQN https://mlochbaum.github.io/BQN/doc/block.html#self-reference
[38] 00:59:20 CBQN System ._While_ https://github.com/dzaima/CBQN/blob/master/docs/system.md#_while_
[39] 01:03:30 APL with power match https://aplwiki.com/wiki/Power_(operator)#Examples
[40] 01:04:13 J power operator with infinity https://code.jsoftware.com/wiki/Vocabulary/hatco#u.5E:_.28Converge.29
[41] 01:08:24 Example of power applied when it shouldn't (argument > test point) https://tryapl.org/?clear&q=1%2B%E2%8D%A3%7B%E2%8D%BA%3E10%7D10&run
[42] 01:10:20 Example of Rank or each to simulate loops https://tio.run/##SyzI0U2pTMzJT///v/pR39RHbRPUA4ryk1OLizPz0tV1HvVurT20wtBAwchAwdjg/38A
[43] 01:13:19 Conor's example of 2 to the power of 2 repeated until over 1000
APL solution https://tryapl.org/?clear&q=%C3%97%E2%8D%A8%E2%8D%A3%7B%E2%8D%BA%3E1000%7D2&run
J solution https://jsoftware.github.io/j-playground/bin/html2/#code=t%3D%3A%20*%3A%5E%3A%28%3C%261000%29%5E%3A_%0At%202
BQN solution https://mlochbaum.github.io/BQN/try.html#code=X3doaWxlX+KGkHvwnZS94o2f8J2UvuKImPCdlL1f8J2Vo1/wnZS+4oiY8J2UveKNn/CdlL7wnZWpfQrDl8ucX3doaWxlXyg84p+cMTAwMCkgMg==
[44] 01:15:21 Conor's example of 2 multiplied by 2 repeated until over 1000
APL solution https://tryapl.org/?clear&q=2%C3%97%E2%8D%A3%7B%E2%8D%BA%3E1000%7D2&run
J solution https://jsoftware.github.io/j-playground/bin/html2/#code=t%3D%3A%20%2B%3A%5E%3A%28%3C%261000%29%5E%3A_%0At%202
BQN solution https://mlochbaum.github.io/BQN/try.html#code=X3doaWxlX+KGkHvwnZS94o2f8J2UvuKImPCdlL1f8J2Vo1/wnZS+4oiY8J2UveKNn/CdlL7wnZWpfQory5xfd2hpbGVfKDzin5wxMDAwKSAy
[45] 01:16:49 Adám's example to see the process using quad gets https://tio.run/##SyzI0U2pTMzJT////1Hf1EdtE4wOT3/Uu7gawnnUu0vhUe9WhUfdLUB6l52hgYFBrdH//wA
[46] 01:19:28 Solution to solve problem with no execution if starting argument > 1000
APL solution https://tryapl.org/?clear&q=%7B2%C3%97%E2%8D%A3%7B%E2%8D%BA%3E1000%7D%E2%8D%A3(%E2%8D%B5%E2%89%A41000)%E2%8A%A2%E2%8D%B5%7D1001&run
J solution https://jsoftware.github.io/j-playground/bin/html2/#code=t%3D%3A%20%2B%3A%20%5E%3A%28%3C%261000%29%20%5E%3A_%0At%201001
BQN solution https://mlochbaum.github.io/BQN/try.html#code=X3doaWxlX+KGkHvwnZS94o2f8J2UvuKImPCdlL1f8J2Vo1/wnZS+4oiY8J2UveKNn/CdlL7wnZWpfQory5xfd2hpbGVfKDzin5wxMDAwKSAxMDAx
[47] 01:23:10 Using logarithms to solve the problem
APL solution https://tryapl.org/?clear&q=2*%E2%8C%882%E2%8D%9F1000%20%E2%8B%84%202%C3%97%E2%8D%A3(%E2%8C%88-%2F2%E2%8D%9F1000%202)%E2%8A%A22&run
J solution https://jsoftware.github.io/j-playground/bin/html2/#code=t%3D%3A%20%5E%3E.%40%5E.%261000%0At%202
BQN solution https://mlochbaum.github.io/BQN/try.html#code=4oyI4oy+KDLii4bigbziiqIpIDEwMDA=
[48] 01:25:47 [email protected]
[49] 01:26:24 Transpose Episode https://www.arraycast.com/episodes/episode29-transpose

…   continue reading

109 episodes

#Tech #Podcasting Education #Array Cast
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Control Structures in the Array Languages

The Array Cast

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MP3•Episode home
Manage episode 335209228 series 2926987
Content provided by bob therriault and The Array Cast. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by bob therriault and The Array Cast or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://ppacc.player.fm/legal.

Array Cast - July 22, 2022
Show Notes

Many thanks to Bob Therriault, Marshall Lochbaum and Adám Brudzewsky for gathering these links:

[01] 00:01:10 Dyalog Problem /solving Contest https://contest.dyalog.com/?goto=welcome
[02] 00:01:35 Dyalog Early Bird Discount https://www.dyalog.com/user-meetings/dyalog22.htm
[03] 00:03:50 Iverson Notation https://apl.wiki/Iverson_Notation
[04] 00:05:06 GOTO in Early APL https://www.jsoftware.com/papers/APL1.htm#1.2
[05] 00:06:06 Control Structures https://en.wikipedia.org/wiki/Control_flow
[06] 00:08:33 Goto in APL https://aplwiki.com/wiki/Branch
[07] 00:09:45 Goto in J https://code.jsoftware.com/wiki/Vocabulary/gotodot
[08] 00:09:55 try. catch. throw. in J https://code.jsoftware.com/wiki/Vocabulary/trydot
[09] 00:10:46 whilst. in J https://code.jsoftware.com/wiki/Vocabulary/whiledot
[10] 00:14:09 APL Control Structures https://aplwiki.com/wiki/Control_structure
[11] 00:17:43 J Control Structures https://code.jsoftware.com/wiki/Vocabulary/ControlStructures
[12] 00:18:00 if. else. elseif. do. end. in J https://code.jsoftware.com/wiki/Vocabulary/ifdot
[13] 00:20:40 singleton in APL https://aplwiki.com/wiki/Singleton
[14] 00:21:01 for. for_ijk. in J https://code.jsoftware.com/wiki/Vocabulary/fordot
[15] 00:23:45 Go language for loop syntax https://go.dev/tour/flowcontrol/1
[16] 00:25:22 Javascript Mapping arguments] https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map#syntax
[17] 00:26:21 Clojure Mapping https://clojuredocs.org/clojure.core/map
[18] 00:27:40 BQN Control Structures https://mlochbaum.github.io/BQN/doc/control.html
[19] 00:28:20 BQN Blocks https://mlochbaum.github.io/BQN/doc/block.html
[20] 00:28:49 BQN ? predicate https://mlochbaum.github.io/BQN/doc/block.html#predicates
[22] 00:31:05 APL if else operands https://dfns.dyalog.com/n_else.htm
[23] 00:31:42 BQN Stranded Block functions https://mlochbaum.github.io/BQN/doc/control.html#switch-case
[24] 00:32:30 APL Arguments and Operands https://aplwiki.com/wiki/Operand
[25] 00:36:00 Dfn Dop https://help.dyalog.com/latest/#Language/Defined%20Functions%20and%20Operators/DynamicFunctions/Dynamic%20Operators.htm
[26] 00:36:45 BQN Block definition and modifiers https://mlochbaum.github.io/BQN/doc/block.html
[27] 00:38:15 Power Operator
APL https://aplwiki.com/wiki/Power_(operator)
J https://code.jsoftware.com/wiki/Vocabulary/hatco
BQN https://mlochbaum.github.io/BQN/doc/repeat.html
[28] 00:41:30 k/Q Control Structures https://code.kx.com/q/ref/cond/
[29] 00:43:25 power operator in q https://code.kx.com/q/ref/do/
for in k ⍣n/^:n: https://k.miraheze.org/wiki/For
fixed point in k ⍣≡/^:_: https://k.miraheze.org/wiki/Fixedpoint
[30] 00:43:40 if in q https://code.kx.com/q/ref/if/
[31] 00:44:20 while in q https://code.kx.com/q/ref/while/
[32] 00:45:38 Replicate kludge example of if: in APL https://tryapl.org/?clear&q=a%E2%86%9010%20%E2%8B%84%20%E2%8D%8E(5%3C3)%2F%27a%E2%86%90a%2B1%27%20%E2%8B%84%20%E2%8E%95%E2%86%90a%20%E2%8B%84%20%E2%8D%8E(5%E2%89%A03)%2F%27a%E2%86%90a%2B1%27%20%E2%8B%84%20%E2%8E%95%E2%86%90a&run
[33] 00:51:00 J's z locale https://code.jsoftware.com/wiki/Vocabulary/ZeeLocale
[34] 00:52:29 Dfn guard example https://aplwiki.com/wiki/Dfn#Guards
[35] 00:54:20 Game of life with power operator https://tio.run/##SyzI0U2pTMzJT///3z3fR@FR2wSFam19nUe9W2sf9ewyVjB@1NF1aIWxtoHOoRWPuhb9//@obypQUWZeZklmYg6Qpf6od7667aO2iY969j7qnQdHXIe2H9oOlDu0nQtMQphgGsaEQC5dXV0ukN1QM8F8DaDAo97FRprYRI3hogA
[36] 00:56:40 BQN power operator without infinity https://mlochbaum.github.io/BQN/doc/repeat.html
[37] 00:58:34 Recursion in BQN https://mlochbaum.github.io/BQN/doc/block.html#self-reference
[38] 00:59:20 CBQN System ._While_ https://github.com/dzaima/CBQN/blob/master/docs/system.md#_while_
[39] 01:03:30 APL with power match https://aplwiki.com/wiki/Power_(operator)#Examples
[40] 01:04:13 J power operator with infinity https://code.jsoftware.com/wiki/Vocabulary/hatco#u.5E:_.28Converge.29
[41] 01:08:24 Example of power applied when it shouldn't (argument > test point) https://tryapl.org/?clear&q=1%2B%E2%8D%A3%7B%E2%8D%BA%3E10%7D10&run
[42] 01:10:20 Example of Rank or each to simulate loops https://tio.run/##SyzI0U2pTMzJT///v/pR39RHbRPUA4ryk1OLizPz0tV1HvVurT20wtBAwchAwdjg/38A
[43] 01:13:19 Conor's example of 2 to the power of 2 repeated until over 1000
APL solution https://tryapl.org/?clear&q=%C3%97%E2%8D%A8%E2%8D%A3%7B%E2%8D%BA%3E1000%7D2&run
J solution https://jsoftware.github.io/j-playground/bin/html2/#code=t%3D%3A%20*%3A%5E%3A%28%3C%261000%29%5E%3A_%0At%202
BQN solution https://mlochbaum.github.io/BQN/try.html#code=X3doaWxlX+KGkHvwnZS94o2f8J2UvuKImPCdlL1f8J2Vo1/wnZS+4oiY8J2UveKNn/CdlL7wnZWpfQrDl8ucX3doaWxlXyg84p+cMTAwMCkgMg==
[44] 01:15:21 Conor's example of 2 multiplied by 2 repeated until over 1000
APL solution https://tryapl.org/?clear&q=2%C3%97%E2%8D%A3%7B%E2%8D%BA%3E1000%7D2&run
J solution https://jsoftware.github.io/j-playground/bin/html2/#code=t%3D%3A%20%2B%3A%5E%3A%28%3C%261000%29%5E%3A_%0At%202
BQN solution https://mlochbaum.github.io/BQN/try.html#code=X3doaWxlX+KGkHvwnZS94o2f8J2UvuKImPCdlL1f8J2Vo1/wnZS+4oiY8J2UveKNn/CdlL7wnZWpfQory5xfd2hpbGVfKDzin5wxMDAwKSAy
[45] 01:16:49 Adám's example to see the process using quad gets https://tio.run/##SyzI0U2pTMzJT////1Hf1EdtE4wOT3/Uu7gawnnUu0vhUe9WhUfdLUB6l52hgYFBrdH//wA
[46] 01:19:28 Solution to solve problem with no execution if starting argument > 1000
APL solution https://tryapl.org/?clear&q=%7B2%C3%97%E2%8D%A3%7B%E2%8D%BA%3E1000%7D%E2%8D%A3(%E2%8D%B5%E2%89%A41000)%E2%8A%A2%E2%8D%B5%7D1001&run
J solution https://jsoftware.github.io/j-playground/bin/html2/#code=t%3D%3A%20%2B%3A%20%5E%3A%28%3C%261000%29%20%5E%3A_%0At%201001
BQN solution https://mlochbaum.github.io/BQN/try.html#code=X3doaWxlX+KGkHvwnZS94o2f8J2UvuKImPCdlL1f8J2Vo1/wnZS+4oiY8J2UveKNn/CdlL7wnZWpfQory5xfd2hpbGVfKDzin5wxMDAwKSAxMDAx
[47] 01:23:10 Using logarithms to solve the problem
APL solution https://tryapl.org/?clear&q=2*%E2%8C%882%E2%8D%9F1000%20%E2%8B%84%202%C3%97%E2%8D%A3(%E2%8C%88-%2F2%E2%8D%9F1000%202)%E2%8A%A22&run
J solution https://jsoftware.github.io/j-playground/bin/html2/#code=t%3D%3A%20%5E%3E.%40%5E.%261000%0At%202
BQN solution https://mlochbaum.github.io/BQN/try.html#code=4oyI4oy+KDLii4bigbziiqIpIDEwMDA=
[48] 01:25:47 [email protected]
[49] 01:26:24 Transpose Episode https://www.arraycast.com/episodes/episode29-transpose

…   continue reading

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