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[[File:Roger.jpg|thumb|right|At [[Dyalog '18]]]] | [[File:Roger.jpg|thumb|right|At [[Dyalog '18]]]] | ||
'''Roger Kwok Wah Hui''' (1953 - October 16, 2021<ref name=death>[[Eric Iverson]]. [http://www.jsoftware.com/pipermail/programming/2021-October/059091.html Roger Hui - 1953 - 2021]. [[Jsoftware]] programming forum. 2021-10-17.</ref>) was a computer scientist and co-developer of the programming language [[J]], and later [[Dyalog APL]]. He ran and maintained the [[Jsoftware]] website. | '''Roger Kwok Wah Hui''' (December 29, 1953 - October 16, 2021<ref name=death>[[Eric Iverson]]. [http://www.jsoftware.com/pipermail/programming/2021-October/059091.html Roger Hui - 1953 - 2021]. [[Jsoftware]] programming forum. 2021-10-17.</ref>) was a computer scientist and co-developer of the programming language [[J]], and later [[Dyalog APL]]. He ran and maintained the [[Jsoftware]] website. | ||
__TOC__ | __TOC__ | ||
[[File:RH.jpg|thumb|left|Roger Hui's Iverson Award]] | [[File:RH.jpg|thumb|left|Roger Hui's Iverson Award]] | ||
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=== Dyalog user meetings === | === Dyalog user meetings === | ||
{{Main|Dyalog user meeting}} | |||
<div style="column-width:40em"> | <div style="column-width:40em"> | ||
* [[Dyalog '08]] 05: [https://dyalog.tv/Dyalog08/?v=k8Wt5sDDzgI Performance Improvements in Dyalog: A Case Study] ([https://www.dyalog.com/uploads/conference/dyalog08/presentations/05_Hui_Performance materials]) | * [[Dyalog '08]] 05: [https://dyalog.tv/Dyalog08/?v=k8Wt5sDDzgI Performance Improvements in Dyalog: A Case Study] ([https://www.dyalog.com/uploads/conference/dyalog08/presentations/05_Hui_Performance materials]) | ||
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* [[Dyalog '18]] D14: [https://dyalog.tv/Dyalog18/?v=IOWDkqKbMwk Inverted Tables] ([https://www.dyalog.com/uploads/conference/dyalog18/presentations/D14_Inverted_Tables.zip slides]) | * [[Dyalog '18]] D14: [https://dyalog.tv/Dyalog18/?v=IOWDkqKbMwk Inverted Tables] ([https://www.dyalog.com/uploads/conference/dyalog18/presentations/D14_Inverted_Tables.zip slides]) | ||
* [[Dyalog '20]] D07: [https://dyalog.tv/Dyalog20/?v=GgXS0zpboAM Rational Arithmetic] ([https://www.dyalog.com/uploads/conference/dyalog20/presentations/D07_Rational_Arithmetic.zip materials]) | * [[Dyalog '20]] D07: [https://dyalog.tv/Dyalog20/?v=GgXS0zpboAM Rational Arithmetic] ([https://www.dyalog.com/uploads/conference/dyalog20/presentations/D07_Rational_Arithmetic.zip materials]) | ||
</div> | |||
=== Essays === | |||
<div style="column-width:20em"> | |||
* [https://code.jsoftware.com/wiki/Essays/Hilbert_Matrix Hilbert Matrix] | |||
* [https://code.jsoftware.com/wiki/Essays/Covert_Representation Covert Representation] | |||
* [https://code.jsoftware.com/wiki/Essays/Extremal_Arguments Extremal Arguments] | |||
* [https://code.jsoftware.com/wiki/Essays/Chinese_Remainder_Theorem Chinese Remainder Theorem] | |||
* [https://code.jsoftware.com/wiki/Essays/Reflexive Reflexive] | |||
* [https://code.jsoftware.com/wiki/Essays/Non-Overlapping_Substrings Non-Overlapping Substrings] | |||
* [https://code.jsoftware.com/wiki/Essays/Huffman_Coding Huffman Coding] | |||
* [https://code.jsoftware.com/wiki/Essays/Multiplicative_Order Multiplicative Order] | |||
* [https://code.jsoftware.com/wiki/Essays/Krypto Krypto] | |||
* [https://code.jsoftware.com/wiki/Essays/Mertens_Function Mertens Function] | |||
* [https://code.jsoftware.com/wiki/Essays/Knight's_Tour Knight's Tour] | |||
* [https://code.jsoftware.com/wiki/Essays/Attribute-Value_Processing Attribute-Value Processing] | |||
* [https://code.jsoftware.com/wiki/Essays/Capped_Fork Capped Fork] | |||
* [https://code.jsoftware.com/wiki/Essays/Bibliography Bibliography] | |||
* [https://code.jsoftware.com/wiki/Essays/Substring_Replacement Substring Replacement] | |||
* [https://code.jsoftware.com/wiki/Essays/Pascal's_Ladder Pascal's Ladder] | |||
* [https://code.jsoftware.com/wiki/Essays/Triangular_Matrix_Inverse Triangular Matrix Inverse] | |||
* [https://code.jsoftware.com/wiki/Essays/Semiprimes Semiprimes] | |||
* [https://code.jsoftware.com/wiki/Essays/99_Bottles_of_Beer 99 Bottles of Beer] | |||
* [https://code.jsoftware.com/wiki/Essays/Symmetries_of_the_Square Symmetries of the Square] | |||
* [https://code.jsoftware.com/wiki/Essays/Quicksort Quicksort] | |||
* [https://code.jsoftware.com/wiki/Essays/Bernoulli_Numbers Bernoulli Numbers] | |||
* [https://code.jsoftware.com/wiki/Essays/Inverted_Table Inverted Table] | |||
* [https://code.jsoftware.com/wiki/Essays/Kakuro Kakuro] | |||
* [https://code.jsoftware.com/wiki/Essays/Power_Set Power Set] | |||
* [https://code.jsoftware.com/wiki/Essays/RNG RNG] | |||
* [https://code.jsoftware.com/wiki/Essays/Extended_Precision_Functions Extended Precision Functions] | |||
* [https://code.jsoftware.com/wiki/Essays/Linear_Recurrences Linear Recurrences] | |||
* [https://code.jsoftware.com/wiki/Essays/Roman_Numerals Roman Numerals] | |||
* [https://code.jsoftware.com/wiki/Essays/Pascal's_Triangle Pascal's Triangle] | |||
* [https://code.jsoftware.com/wiki/Essays/Timestamp_Extension Timestamp Extension] | |||
* [https://code.jsoftware.com/wiki/Essays/Complete_Tensor Complete Tensor] | |||
* [https://code.jsoftware.com/wiki/Essays/Insert Insert] | |||
* [https://code.jsoftware.com/wiki/Essays/LU_Decomposition LU Decomposition] | |||
* [https://code.jsoftware.com/wiki/Essays/Primality_Tests Primality Tests] | |||
* [https://code.jsoftware.com/wiki/Essays/Permutation_Index Permutation Index] | |||
* [https://code.jsoftware.com/wiki/Essays/Hook_Conjunction? Hook Conjunction?] | |||
* [https://code.jsoftware.com/wiki/Essays/Levenshtein_Distance Levenshtein Distance] | |||
* [https://code.jsoftware.com/wiki/Essays/Continued_Fractions Continued Fractions] | |||
* [https://code.jsoftware.com/wiki/Essays/Partitions Partitions] | |||
* [https://code.jsoftware.com/wiki/Essays/Factorings Factorings] | |||
* [https://code.jsoftware.com/wiki/Essays/Under Under] | |||
* [https://code.jsoftware.com/wiki/Essays/Square_Root Square Root] | |||
* [https://code.jsoftware.com/wiki/Essays/Prime_APVs Prime APVs] | |||
* [https://code.jsoftware.com/wiki/Essays/4_Queens_Problem 4 Queens Problem] | |||
* [https://code.jsoftware.com/wiki/Essays/Tree_Display Tree Display] | |||
* [https://code.jsoftware.com/wiki/Essays/Combinations Combinations] | |||
* [https://code.jsoftware.com/wiki/Essays/Minors Minors] | |||
* [https://code.jsoftware.com/wiki/Essays/Trains Trains] | |||
* [https://code.jsoftware.com/wiki/Essays/Nurikabe Nurikabe] | |||
* [https://code.jsoftware.com/wiki/Essays/Negative_Rank Negative Rank] | |||
* [https://code.jsoftware.com/wiki/Essays/Cayley's_Theorem Cayley's Theorem] | |||
* [https://code.jsoftware.com/wiki/Essays/Boxed_Array_Display Boxed Array Display] | |||
* [https://code.jsoftware.com/wiki/Essays/Kronecker_Product Kronecker Product] | |||
* [https://code.jsoftware.com/wiki/Essays/Order_Statistics Order Statistics] | |||
* [https://code.jsoftware.com/wiki/Essays/Memo Memo] | |||
* [https://code.jsoftware.com/wiki/Essays/Queens_and_Knights Queens and Knights] | |||
* [https://code.jsoftware.com/wiki/Essays/Symmetric_Array Symmetric Array] | |||
* [https://code.jsoftware.com/wiki/Essays/Sum_of_a_Bit_Array Sum of a Bit Array] | |||
* [https://code.jsoftware.com/wiki/Essays/Bitwise_Functions_on_Characters Bitwise Functions on Characters] | |||
* [https://code.jsoftware.com/wiki/Essays/Matrix_Inverse Matrix Inverse] | |||
* [https://code.jsoftware.com/wiki/Essays/Large_Exponent_Real_Arithmetic Large Exponent Real Arithmetic] | |||
* [https://code.jsoftware.com/wiki/Essays/Ackermann's_Function Ackermann's Function] | |||
* [https://code.jsoftware.com/wiki/Essays/Hamming_Number Hamming Number] | |||
* [https://code.jsoftware.com/wiki/Essays/The_Monty_Hall_Problem The Monty Hall Problem] | |||
* [https://code.jsoftware.com/wiki/Essays/Mobius_Function Mobius Function] | |||
* [https://code.jsoftware.com/wiki/Essays/Sine Sine] | |||
* [https://code.jsoftware.com/wiki/Essays/Fibonacci_Sequence Fibonacci Sequence] | |||
* [https://code.jsoftware.com/wiki/Essays/Euclidean_Algorithm Euclidean Algorithm] | |||
* [https://code.jsoftware.com/wiki/Essays/Chudnovsky_Algorithm Chudnovsky Algorithm] | |||
* [https://code.jsoftware.com/wiki/Essays/From_APL_to_J From APL to J] | |||
* [https://code.jsoftware.com/wiki/Essays/Landau's_Function Landau's Function] | |||
* [https://code.jsoftware.com/wiki/Essays/Sudoku Sudoku] | |||
* [https://code.jsoftware.com/wiki/Essays/APL's_Birthday APL's Birthday] | |||
* [https://code.jsoftware.com/wiki/Essays/Unforgettable_Numbers Unforgettable Numbers] | |||
* [https://code.jsoftware.com/wiki/Essays/Newton's_Method Newton's Method] | |||
* [https://code.jsoftware.com/wiki/Essays/Inverse_Permutation Inverse Permutation] | |||
* [https://code.jsoftware.com/wiki/Essays/moo moo] | |||
* [https://code.jsoftware.com/wiki/Essays/Goldbach_Conjecture Goldbach Conjecture] | |||
* [https://code.jsoftware.com/wiki/Essays/Index_in_Nub Index in Nub] | |||
* [https://code.jsoftware.com/wiki/Essays/Incunabulum Incunabulum] | |||
* [https://code.jsoftware.com/wiki/Essays/Self-Upgrading_Permutations Self-Upgrading Permutations] | |||
* [https://code.jsoftware.com/wiki/Essays/Birthday_Problem Birthday Problem] | |||
* [https://code.jsoftware.com/wiki/Essays/Tolerant_Comparison Tolerant Comparison] | |||
* [https://code.jsoftware.com/wiki/Essays/Vier_Neun Vier Neun] | |||
* [https://code.jsoftware.com/wiki/Essays/QR_Decomposition QR Decomposition] | |||
* [https://code.jsoftware.com/wiki/Essays/Do_While Do While] | |||
* [https://code.jsoftware.com/wiki/Essays/Determinant Determinant] | |||
* [https://code.jsoftware.com/wiki/Essays/Set_Game Set Game] | |||
* [https://code.jsoftware.com/wiki/Essays/9_Queens_Problem 9 Queens Problem] | |||
* [https://code.jsoftware.com/wiki/Essays/The_TAO_of_J The TAO of J] | |||
* [https://code.jsoftware.com/wiki/Essays/Repeated_Squaring Repeated Squaring] | |||
* [https://code.jsoftware.com/wiki/Essays/Linear_Congruential_Generator Linear Congruential Generator] | |||
* [https://code.jsoftware.com/wiki/Essays/Block_Matrix_Inverse Block Matrix Inverse] | |||
* [https://code.jsoftware.com/wiki/Essays/Compositions Compositions] | |||
* [https://code.jsoftware.com/wiki/Essays/Word_Formation_on_Lines Word Formation on Lines] | |||
* [https://code.jsoftware.com/wiki/Essays/Normal_CDF Normal CDF] | |||
* [https://code.jsoftware.com/wiki/Essays/Progressive_Index-Of Progressive Index-Of] | |||
* [https://code.jsoftware.com/wiki/Essays/Binary_GCD_Algorithm Binary GCD Algorithm] | |||
* [https://code.jsoftware.com/wiki/Essays/Combination_Sums Combination Sums] | |||
* [https://code.jsoftware.com/wiki/Essays/Sort_Times Sort Times] | |||
* [https://code.jsoftware.com/wiki/Essays/Histogram Histogram] | |||
* [https://code.jsoftware.com/wiki/Essays/Chi_Squared_CDF Chi Squared CDF] | |||
* [https://code.jsoftware.com/wiki/Essays/Indeterminate Indeterminate] | |||
* [https://code.jsoftware.com/wiki/Essays/Permutations Permutations] | |||
* [https://code.jsoftware.com/wiki/Essays/Number_in_Words Number in Words] | |||
* [https://code.jsoftware.com/wiki/Essays/Josephus_Problem Josephus Problem] | |||
* [https://code.jsoftware.com/wiki/Essays/Tree_Sum Tree Sum] | |||
* [https://code.jsoftware.com/wiki/Essays/Fibonacci_Sums Fibonacci Sums] | |||
* [https://code.jsoftware.com/wiki/Essays/Combination_Index Combination Index] | |||
* [https://code.jsoftware.com/wiki/Essays/Boolean_Array_Size Boolean Array Size] | |||
* [https://code.jsoftware.com/wiki/Essays/N_Queens_Problem N Queens Problem] | |||
* [https://code.jsoftware.com/wiki/Essays/Self-Downgrading_Permutations Self-Downgrading Permutations] | |||
* [https://code.jsoftware.com/wiki/Essays/Tower_of_Hanoi Tower of Hanoi] | |||
* [https://code.jsoftware.com/wiki/Essays/Gray_Code Gray Code] | |||
* [https://code.jsoftware.com/wiki/Essays/Next_Binary_String Next Binary String] | |||
* [https://code.jsoftware.com/wiki/Essays/Egyptian_Fraction Egyptian Fraction] | |||
* [https://code.jsoftware.com/wiki/Essays/Parentheses_Matching Parentheses Matching] | |||
* [https://code.jsoftware.com/wiki/Essays/Euler's_Identity Euler's Identity] | |||
* [https://code.jsoftware.com/wiki/Essays/Odometer Odometer] | |||
* [https://code.jsoftware.com/wiki/Essays/Collatz_Conjecture Collatz Conjecture] | |||
* [https://code.jsoftware.com/wiki/Essays/Cholesky_Decomposition Cholesky Decomposition] | |||
* [https://code.jsoftware.com/wiki/Essays/Extended_H Extended H] | |||
* [https://code.jsoftware.com/wiki/Essays/Minimal_Spanning_Tree Minimal Spanning Tree] | |||
* [https://code.jsoftware.com/wiki/Essays/KenKen KenKen] | |||
* [https://code.jsoftware.com/wiki/Essays/Stirling's_Approximation Stirling's Approximation] | |||
* [https://code.jsoftware.com/wiki/Essays/Stirling_Numbers Stirling Numbers] | |||
* [https://code.jsoftware.com/wiki/Essays/IEEE_Floating-Point_Numbers IEEE Floating-Point Numbers] | |||
* [https://code.jsoftware.com/wiki/Essays/2^64 2^64] | |||
* [https://code.jsoftware.com/wiki/Essays/The_Ball_Clock_Problem The Ball Clock Problem] | |||
* [https://code.jsoftware.com/wiki/Essays/Totient_Function Totient Function] | |||
* [https://code.jsoftware.com/wiki/Essays/t-Distribution_CDF t-Distribution CDF] | |||
* [https://code.jsoftware.com/wiki/Essays/Fibonacci_Index Fibonacci Index] | |||
* [https://code.jsoftware.com/wiki/Essays/Bisection_Method Bisection Method] | |||
* [https://code.jsoftware.com/wiki/Essays/Key Key] | |||
* [https://code.jsoftware.com/wiki/Essays/English_Grammar English Grammar] | |||
* [https://code.jsoftware.com/wiki/Essays/Roll_on_BIGINTs Roll on BIGINTs] | |||
* [https://code.jsoftware.com/wiki/Essays/Divisors Divisors] | |||
* [https://code.jsoftware.com/wiki/Essays/Sorting_versus_Grading Sorting versus Grading] | |||
* [https://code.jsoftware.com/wiki/Essays/Scalars Scalars] | |||
* [https://code.jsoftware.com/wiki/Essays/In-Place_Operations In-Place Operations] | |||
* [https://code.jsoftware.com/wiki/Essays/Gaussian_Integers Gaussian Integers] | |||
* [https://code.jsoftware.com/wiki/Essays/Primes_Less_Than_n Primes Less Than n] | |||
* [https://code.jsoftware.com/wiki/Essays/Text_Formatting Text Formatting] | |||
* [https://code.jsoftware.com/wiki/Essays/Transpose Transpose] | |||
</div> | </div> | ||
=== Other talks === | === Other talks === | ||
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* [https://www.jsoftware.com/ Jsoftware website] | * [https://www.jsoftware.com/ Jsoftware website] | ||
* [https://dl.acm.org/profile/81100593990 ACM Digital Library] | * [https://dl.acm.org/profile/81100593990 ACM Digital Library] | ||
* [https://rogerhui.rip Memorial website] | |||
* [https://www.dyalog.com/blog/author/roger/ Dyalog blog posts by Roger Hui] | |||
* [https://forums.dyalog.com/search.php?author_id=423&sr=posts Dyalog Forum posts by Roger Hui] | |||
== References == | == References == | ||
<references /> | <references /> | ||
{{APL community}}{{DEFAULTSORT:Hui}}[[Category:People]][[Category:Jsoftware employees]][[Category:Dyalog Ltd. employees]][[Category:I.P. Sharp Associates employees]][[Category:Designers]][[Category:Executives]][[Category:Implementers]] | {{APL community}}{{DEFAULTSORT:Hui}}[[Category:People]][[Category:Jsoftware employees]][[Category:Dyalog Ltd. employees]][[Category:I.P. Sharp Associates employees]][[Category:Designers]][[Category:Executives]][[Category:Implementers]] |