Essays/Changed

Essays sorted by Changed Date. Click to sort by: Name Created Date

Names	Created	Changed
1729	2009-08-22	2012-04-23
Taxicab Number	2009-08-22	2012-04-23
Unforgettable Numbers	2009-08-22	2012-04-23
Duality	2005-10-12	2012-02-04
Under	2005-10-12	2012-02-04
RNG	2006-07-15	2012-01-31
Unicode Histogram	2012-01-23	2012-01-24
The Monty Hall Problem	2006-09-02	2011-12-29
88 Hats	2007-06-08	2011-12-15
Aliasing and Reference Counts	2011-11-26	2011-11-26
Bibliography	2006-07-11	2011-11-21
8 Queens Problem	2005-09-28	2011-11-21
N Queens Problem	2005-09-28	2011-11-21
Symmetries of the Square	2005-11-07	2011-11-21
Key	2007-04-09	2011-11-19
The TAO of J	2006-01-27	2011-10-31
Data Structures	2007-01-17	2011-10-26
Atoms	2010-10-27	2011-10-21
Is a Scalar an Array?	2010-10-27	2011-10-21
Scalars	2010-10-27	2011-10-21
Combinations	2005-11-11	2011-09-28
Middle Names	2010-08-17	2011-09-21
Nearer Larger Neighbor	2011-09-08	2011-09-15
AllPartitions	2010-06-12	2011-07-06
J Tweets	2011-06-10	2011-06-10
(2^67)-1	2008-04-13	2011-06-03
Miller-Rabin Primality Test	2008-04-13	2011-06-03
Primality Tests	2008-04-13	2011-06-03
Roll on BIGINTs	2011-05-21	2011-05-24
Extended Precision Functions	2007-01-01	2011-05-11
Brevity	2006-07-27	2011-05-10
4 Queens Problem	2006-05-19	2011-05-09
9 Queens Problem	2006-08-11	2011-05-09
Block Matrix Inverse	2005-11-22	2011-05-09
Cayley's Theorem	2005-10-14	2011-05-09
Chi-Squared CDF	2005-09-29	2011-05-09
Choleski Decomposition	2005-10-14	2011-05-09
Chudnovsky Algorithm	2011-05-08	2011-05-09
Determinant	2010-11-23	2011-05-09
Hilbert Matrix	2005-09-29	2011-05-09
Inverse Permutation	2007-09-10	2011-05-09
Cross Sums	2006-08-01	2011-05-09
Kakuro カックロ	2006-08-01	2011-05-09
KenKen 賢賢	2010-09-24	2011-05-09
Knight's Tour	2008-11-21	2011-05-09
Kronecker Product	2010-02-26	2011-05-09
LU Decomposition	2005-10-31	2011-05-09
Mastermind	2006-07-24	2011-05-09
Matrix Inverse	2005-12-10	2011-05-09
Minors	2007-08-18	2011-05-09
moo	2006-07-24	2011-05-09
Error Function	2005-09-29	2011-05-09
Normal CDF	2005-09-29	2011-05-09
Nurikabe ぬりかべ	2008-08-21	2011-05-09
Permutation Index	2005-10-11	2011-05-09
Pi	2011-05-08	2011-05-09
Permutation Inverse	2007-09-10	2011-05-09
Permutations	2005-10-31	2011-05-09
QR Decomposition	2005-10-30	2011-05-09
Queens and Knights	2005-09-29	2011-05-09
Self-Downgrading Permutations	2005-11-01	2011-05-09
Self-Upgrading Permutations	2005-11-01	2011-05-09
Set Game	2006-07-25	2011-05-09
Sine	2005-10-12	2011-05-09
Square Root	2006-03-11	2011-05-09
Sudoku 數独	2005-09-29	2011-05-09
Symmetric Array	2005-09-29	2011-05-09
t-Distribution CDF	2008-08-12	2011-05-09
Triangular Matrix Inverse	2005-10-27	2011-05-09
Warnsdorff's Algorithm	2008-11-21	2011-05-09
Convolution	2010-12-27	2011-02-01
FFT	2010-12-27	2011-02-01
Polynomial Multiplication	2010-12-27	2011-02-01
AnimalsGame	2006-08-15	2011-01-31
Partitions	2005-11-19	2011-01-22
Floyd	2010-01-29	2011-01-05
Levenshtein Distance	2010-05-27	2010-12-27
Torsion Tensor	2009-11-20	2010-12-13
English Grammar	2010-11-02	2010-11-24
From APL to J	2009-03-21	2010-11-24
Integer Root	2005-10-21	2010-11-04
Tolerant Comparison	2006-01-27	2010-10-31
APL's Birthday	2010-08-18	2010-10-18
Popcount	2010-09-07	2010-09-08
Sum of a Bit Array	2010-09-07	2010-09-08
APL Acknowledgements	2006-10-17	2010-08-18
APL\360 Developers Photo	2007-11-01	2010-08-18
"APL" Origins	2007-10-25	2010-08-18
Polyminoes	2007-03-22	2010-08-12
RSA Challenge	2006-06-02	2010-05-18
Squeamish Ossifrage	2006-06-02	2010-05-18
Schwarzschild	2009-02-02	2010-05-14
Complex Operations	2006-06-04	2010-04-23
Boxed Array Display	2006-08-26	2010-04-01
Parentheses Matching	2010-03-26	2010-03-26
Euler's Identity	2010-02-04	2010-03-22
Euler's Formula	2010-02-04	2010-03-22
Goldbach Conjecture	2005-10-28	2010-03-16
Odometer	2005-11-18	2010-03-16
Totient Function	2005-10-14	2010-03-16
3x + 1 Problem	2006-09-04	2010-03-14
Collatz Conjecture	2006-09-04	2010-03-14
Hailstone Sequence	2006-09-04	2010-03-14
Binary GCD Algorithm	2005-11-08	2010-03-13
Linear Recurrences	2006-08-08	2010-03-13
Matrix Powers	2006-08-08	2010-03-13
Pascal's Triangle	2005-09-28	2010-03-13
Stirling Numbers	2005-09-29	2010-03-13
Continued Fractions	2005-10-12	2010-02-27
Divisors	2005-11-17	2010-02-24
APL RNG	2010-02-23	2010-02-23
Linear Congruential Generator	2010-02-23	2010-02-23
Prime APVs	2010-02-21	2010-02-23
Factorings	2005-12-06	2010-02-22
Newton's Method	2007-10-15	2010-02-12
Negative Rank	2005-10-11	2010-02-11
Extremal Arguments	2008-03-04	2010-02-09
Reflexive	2006-05-22	2010-02-08
ChessboardPuzzle	2007-05-16	2010-02-03
Scope	2006-07-09	2010-01-13
Grading versus Sorting	2006-11-23	2010-01-13
Sorting versus Grading	2006-11-23	2010-01-13
5-Smooth Number	2010-01-08	2010-01-12
Hamming Number	2010-01-08	2010-01-12
Regular Number	2010-01-08	2010-01-12
Huffman Coding	2007-04-26	2009-12-17
Bernstein Polynomials	2006-05-18	2009-11-02
Clockwise Angles	2009-10-30	2009-11-01
Number in Words	2007-06-12	2009-10-15
Trains	2009-04-29	2009-10-11
In-Place Operations	2008-10-28	2009-09-21
DiceGame	2007-04-23	2009-09-11
Double Factorial	2006-09-12	2009-09-11
Generalized Monty Hall	2006-09-12	2009-09-11
Insanity Cube	2008-08-06	2009-09-11
Rank Table	2006-06-19	2009-09-08
Recursive Descent Parser	2006-10-31	2009-09-08
Tacit Expressions	2006-05-22	2009-09-08
Fibonacci Sequence	2005-09-26	2009-05-24
Capped Fork	2006-05-17	2009-05-02
Hook Conjunction?	2006-05-24	2009-05-02
Aspects of J	2008-12-08	2009-05-01
Quicksort	2005-09-28	2009-04-13
Piano Tuning	2009-01-28	2009-02-24
Tuning a Piano	2009-01-28	2009-02-24
SpaceTime2D	2007-01-21	2009-02-02
Lorenz Attractor	2006-04-27	2008-12-21
Rössler Attractor	2008-12-20	2008-12-20
Fibonacci Sums	2005-11-03	2008-12-16
Zeckendorf Representation	2005-11-03	2008-12-16
Isometric Surfaces	2007-07-14	2008-12-14
Simplex Method	2005-09-27	2008-12-09
235 Problem	2008-11-24	2008-11-26
Combination Sums	2008-04-29	2008-11-15
IEEE Floating-Point Numbers	2007-04-11	2008-11-15
Non-Overlapping Substrings	2006-01-10	2008-11-14
Substring Replacement	2008-11-14	2008-11-14
Attribute-Value Processing	2008-11-12	2008-11-13
Identity Matrix	2005-11-18	2008-11-11
Notation as a Tool of Thought	2007-05-25	2008-10-23
Teaching J Syntax	2005-10-22	2008-08-27
Inner Products	2008-08-16	2008-08-22
Beta Function	2008-08-15	2008-08-15
Check Sums	2008-08-05	2008-08-07
Base Spectrum	2005-12-13	2008-07-24
2^64	2007-12-06	2008-07-19
J for C Programmers Front Cover	2008-06-23	2008-06-25
Memo	2008-06-03	2008-06-05
Polynomials Intersection	2008-05-28	2008-05-31
Tree Display	2008-05-16	2008-05-28
MultipleOr	2007-12-21	2008-05-04
Combination Index	2005-11-11	2008-04-29
Order Statistics	2008-03-23	2008-04-09
Semiprimes	2008-04-03	2008-04-06
Indeterminate	2008-02-26	2008-03-22
NaN	2008-02-26	2008-03-22
Tree Sum	2008-03-13	2008-03-21
Bernoulli Numbers	2008-03-07	2008-03-09
Text Formatting	2007-02-16	2008-02-02
Linear Regression	2007-12-12	2007-12-13
Tower of Hanoi	2007-12-11	2007-12-11
Multiplicative Order	2006-02-21	2007-12-09
Gauss-Bonnet Theorem	2007-06-23	2007-12-08
Landau's Function	2007-11-13	2007-11-14
Bitwise Functions on Characters	2007-10-22	2007-11-12
Birthday Problem	2007-11-03	2007-11-08
Insert	2007-11-05	2007-11-05
Timestamp Extension	2007-10-30	2007-11-01
Incunabulum	2005-10-28	2007-10-27
Sum of a Vector	2007-10-26	2007-10-27
The Art of Shaving	2007-10-26	2007-10-26
Inverted Table	2007-05-08	2007-10-21
Bisection Method	2007-10-16	2007-10-17
Index in Nub	2007-05-25	2007-10-12
Primes Less Than n	2006-01-03	2007-10-01
Möbius Function	2007-09-18	2007-09-27
Mertens Function	2007-09-18	2007-09-25
The Essentials of J	2006-07-13	2007-09-20
Covert Representation	2007-08-02	2007-09-12
Fibonacci Index	2005-11-03	2007-09-12
Repeated Squaring	2005-09-28	2007-09-12
Symbol-Minded	2005-10-26	2007-09-12
Regex Lexer	2006-10-27	2007-09-09
Word Formation on Lines	2007-03-28	2007-09-06
99 Bottles of Beer	2007-06-09	2007-09-05
Ackermann's Function	2005-10-14	2007-09-05
Boolean Array Size	2006-05-26	2007-09-05
Chinese Remainder Theorem	2005-10-26	2007-09-05
Cross Product	2007-08-16	2007-09-05
Complete Tensor	2007-08-16	2007-09-05
Compositions	2007-05-30	2007-09-05
Do While	2007-03-23	2007-09-05
Egyptian Fraction	2005-11-04	2007-09-05
Euclidean Algorithm	2005-10-26	2007-09-05
Gaussian Integers	2007-02-24	2007-09-05
Histogram	2006-10-14	2007-09-05
Josephus Problem	2005-10-17	2007-09-05
Large Exponent Real Arithmetic	2005-12-23	2007-09-05
Kruskal's Algorithm	2005-12-21	2007-09-05
Minimal Spanning Tree	2005-12-21	2007-09-05
Next Binary String	2007-08-29	2007-09-05
Pascal's Ladder	2006-02-13	2007-09-05
Power Set	2007-08-14	2007-09-05
Progressive Index-Of	2007-08-01	2007-09-05
Roman Numerals	2005-11-02	2007-09-05
Stirling's Approximation	2005-10-11	2007-09-05
The Ball Clock Problem	2005-10-25	2007-09-05
Vier Neun	2006-07-26	2007-09-05
Unit Fraction Sum	2005-12-01	2007-09-05
Eigenvalues	2007-08-27	2007-08-27
Name Resolution	2007-08-08	2007-08-11
Christoffel Expressions	2007-07-14	2007-07-17
A Fine Line	2007-04-17	2007-04-18
Absolute and Relative Tolerance	2007-03-30	2007-03-30
Dendrite	2006-01-15	2007-03-15
Longest Common Subsequence	2007-01-16	2007-03-01
Distributed Apply	2006-10-18	2007-01-18
Triangular Data	2007-01-12	2007-01-12
Transpose	2006-10-21	2007-01-06
Gray Code	2005-10-16	2006-12-06
Bifactorial	2006-09-12	2006-09-14
Binary Probability	2006-09-12	2006-09-13
Hook Rank	2006-06-18	2006-06-19
Binary Tree	2005-11-02	2006-06-01
Extended H	2005-11-02	2006-06-01
Short Circuit Boolean	2006-03-20	2006-05-24
Set Partitions	2006-01-30	2006-05-20
Nonincreasing Odometer	2006-02-13	2006-05-19
Self-Valued Expression	2005-10-15	2006-03-16
Anagram	2006-02-24	2006-02-24
Non-Adjacent Form (NAF)	2005-11-02	2005-12-16
Unique Factors	2005-10-21	2005-10-21