Essays/Categorize
APL Origins (1)
235 Problem (*)
2^64 (4)
4 Queens Problem (5)
88 Hats (1)
9 Queens Problem (4)
99 Bottles of Beer (*)
A Fine Line (*)
APL Acknowledgements (3)
APL\360 Developers Photo (3)
APL's Birthday (1)
Absolute and Relative Tolerance (*)
Ackermann's Function (7)
Advent Of Code (11)
AllPartitions (1)
Anagram (*)
AnimalsGame (9)
Attribute-Value Processing (*)
Base Spectrum (*)
Bernoulli Numbers (*)
Bernstein Polynomials (5)
Beta Function (*)
Bibliography (2)
Bifactorial (*)
Binary GCD Algorithm (5)
Binary Probability (*)
Birthday Problem (*)
Bisection Method (*)
Bitwise Functions on Characters (*)
Block Matrix Inverse (3)
Boolean Array Size (*)
Boxed Array Display (5)
Brevity (1)
Capped Fork (1)
Cayley's Theorem (4)
Check Sums (*)
ChessboardPuzzle (5)
Chi-Squared CDF (6)
Chinese Remainder Theorem (*)
Cholesky Decomposition (4)
Christoffel Expressions (3)
Chudnovsky Algorithm (5)
Pi *Same as Chudnovsky*
Clockwise Angles (5)
3n + 1 Problem *Same as Collatz*
Collatz Conjecture (4)
Hailstone Sequence *Same as Collatz*
Syracuse Problem *Same as Collatz*
Combination Index (5)
Combination Sums (*)
Combinations (4)
Essays/Complete Tensor#cross product|Cross Product (*) *Refers to Complete Tensor*
Complete Tensor (*)
Complex Operations (3)
Compositions (3)
Continued Fractions (1)
Convex Hull (4)
Covert Representation (*)
Data Structures (12)
Dendrite (*)
Determinant (6)
DiceGame (7)
Distributed Apply (8)
Divisors (6)
Do While (*)
Double Factorial (4)
Egyptian Fraction (*)
Eigenvalues (*)
English Grammar (3)
Euclidean Algorithm (*)
Euler's Formula (7)
Euler's Identity *Same as Euler's Formula*
Binary Tree * *Same as Extended H*
Extended H (*)
Extended Precision Functions (8)
Extremal Arguments (6)
Convolution *Same as FFT*
FFT (7)
Polynomial Multiplication *Same as FFT*
Factorings (3)
Fibonacci Index (*)
Fibonacci Sequence (5)
Fibonacci Sums (5)
Zeckendorf Representation *Same as FFT*
Floyd (6)
From APL to J (3)
Game of Life (5)
Gauss-Bonnet Theorem (5)
Gaussian Integers (*)
Generalized Monty Hall (1)
Goldbach Conjecture (3)
Gray Code (*)
5-Smooth Number *Same as Hamming*
Hamming Number (4)
Regular Number *Same as Hamming*
Hidden Line Removal (3)
Hilbert Matrix (5)
Histogram (3)
Hook Conjunction? (1)
Hook Rank (1)
Huffman Coding (5)
IEEE Floating-Point Numbers (*)
Identity Matrix (3)
In-Place Operations (3)
Incunabulum (*)
Indeterminate (*)
NaN *Same as Indeterminate*
Index in Nub (3)
Inner Products (2)
Insanity Cube (1)
Insert (*)
Integer Root (6)
Integer Knapsack Problem (4)
Inverse Permutation (4)
Permutation Inverse *Same as Inverse Permutation*
Inverted Table (6)
Isometric Surfaces (3)
J Tweets (4)
Aspects of J (3)
JKT Benchmark (4)
J for C Programmers Front Cover (3)
Josephus Problem (*)
Cross Sums (3)
Kakuro カックロ *Same as Cross Sums*
KenKen 賢賢 (3)
Key (11)
Warnsdorff's Algorithm *Same as Knight's Tour*
Knight's Tour (6)
Kronecker Product (2)
Krypto (5)
LU Decomposition (4)
Landau's Function (*)
Large Exponent Real Arithmetic (*)
Levenshtein Distance (5)
APL RNG *Same as Linear Congruential Generator*
Linear Congruential Generator (3)
Linear Recurrences (5)
Matrix Powers *Same as Linear Recurrences*
Linear Regression (*)
Longest Common Subsequence (6)
Longest Increasing Subsequence (4)
Lorenz Attractor (4)
MSLDE (1)
Matrix Inverse (4)
Memo (*)
Mertens Function (*)
Middle Names (1)
Kruskal's Algorithm *Same as Minimal Spanning Tree*
Minimal Spanning Tree (*)
Minors (4)
Möbius Function (*)
MultipleOr (7)
Multiplicative Order (*)
8 Queens Problem *Same as N Queens Problem*
N Queens Problem (10)
Non-Adjacent Form (NAF)(*)
Name Resolution (5)
Nearer Larger Neighbor (4)
Negative Rank (6)
Newton's Method (5)
Next Binary String (*)
Non-Overlapping Substrings (*)
Nonincreasing Odometer (*)
Error Function *Same as Normal CDF*
Normal CDF (6)
Notation as a Tool of Thought (2)
Number in Words (4)
Nurikabe ぬりかべ (6)
Odometer (4)
Order Statistics (*)
Parentheses Matching (5)
Partitions (1)
Pascal's Ladder (4)
Pascal's Triangle (3)
Permutation Index (5)
Permutations (4)
Piano Tuning (6)
Tuning a Piano *Same as Piano Tuning*
Polyminoes (1)
Polynomials Intersection (6)
Power Set (*)
(2^67)-1 *Contained in Primality Tests(*)
Miller-Rabin Primality Test *Contained in Primality Tests*
Primality Tests (7)
Prime APVs (5)
Primes Less Than n (*)
Progressive Index-Of (*)
Propagating Minimum (5)
QR Decomposition (4)
Queens and Knights (7)
Quicksort (3)
RNG (4)
RSA Challenge (6)
Squeamish Ossifrage *Same as RSA Challenge*
Rank Table (3)
Rank (3)
Recursive Descent Parser (8)
Reflexive (3)
Regex Lexer (1)
Repeated Squaring (*)
Roll on BIGINTs (3)
Roman Numerals (*)
Rössler Attractor (4)
Atoms *Same as Scalars*
Is a Scalar an Array? *Same as Scalars*
Scalars (8)
Schwarzschild (4)
Scope (6)
Self-Downgrading Permutations (4)
Self-Upgrading Permutations (6)
Self-Valued Expression (5)
Semiprimes (3)
Set Game (6)
Set Partitions (5)
Short Circuit Boolean (*)
Sine (4)
Sort Times (5)
Grading versus Sorting (1)
Sorting versus Grading *Same as Grading versus Sorting*
SpaceTime2D (2)
Square Root (4)
Stirling Numbers (4)
Stirling's Approximation (*)
Substring Replacement (1)
Sudoku 數独 (3)
Popcount *Same as Sum of Bit Array*
Sum of a Bit Array (4)
Symbol-Minded (*)
Symmetric Array (4)
Symmetries of the Square (3)
Tacit Expressions (1)
Teaching J Syntax (5)
Tensor Experiments (2)
Text Formatting (4)
The Ball Clock Problem (*)
The Essentials of J (*)
The Monty Hall Problem (4)
The TAO of J (6)
Timestamp Extension (6)
Tolerant Comparison (5)
Torsion Tensor (2)
Totient Function (4)
Tower of Hanoi (*)
Trains (3)
Transpose (4)
Tree Display (*)
Tree Sum (4)
Triangular Data (*)
Triangular Matrix Inverse (3)
Un-puzzling expressions (4)
Duality *Same as Under*
Under (8)
1729 *Same as Unforgettable Numbers*
Taxicab Number *Same as Unforgettable Numbers*
Unforgettable Numbers (5)
Unicode Histogram (3)
Unique Factors (*)
Vier Neun (*)
Word Formation on Lines (*)
Mastermind (5)
moo *Same as Mastermind*
t-Distribution CDF (5)
Sum of a Vector (*)
Unit Fraction Sum (*)
Simplex Method (9)