New and Recently changed:

2017-11-18  refmt         ⍝ Reformat dfn/op.                                      
2017-11-15  defs          ⍝ ]defs with names.                                     
2017-11-08  in            ⍝ Locations of item ⍺ in array ⍵.                       
2017-11-06  test          ⍝ Run test script: no news => good news.                
2017-10-31  Depth         ⍝ Apply fn ⍺⍺ at depths ⍵⍵.                             
2017-09-23  at            ⍝ Prefix-friendly @.                                    
2017-09-04  le            ⍝ Total array ordering (TAO) comparison.                
2017-09-02  baby          ⍝ The Manchester Small Scale Experimental Machine.      
2017-08-30  span          ⍝ Breadth-first spanning tree for graph ⍺.              
2017-08-30  path          ⍝ Shortest path from/to ⍵ in graph ⍺.                   
2017-08-18  nspack        ⍝ Share arrays across space tree.                       
2017-08-18  wsdiff        ⍝ Workspace differences.                                
2017-08-18  wrapnote      ⍝ Wrap text paragraphs in note vector.                  
2017-08-18  hexdump       ⍝ Hex dump of native file.                              
2017-08-18  fndiff        ⍝ Defined function differences.                         
2017-07-24  ambiv         ⍝ Ambivalize traditional functions.                     
2017-07-24  morse         ⍝ Conversion to/from Morse code.                        
2017-07-24  wpath         ⍝ Quickest path fm/to ⍵ in weighted graph ⍺.            
2017-07-24  wspan         ⍝ Spanning tree for weighted graph ⍺ from ⍵.            
2017-07-23  parse         ⍝ Bunda-Gerth parsing.                                  
2017-07-20  wmst          ⍝ Minimum Spanning Tree for wu-graph ⍺.                 
2017-07-06  subs          ⍝ Vector substitution.                                  
2017-06-25  repl          ⍝ Read-eval-print loop.                                 
2017-05-25  kk            ⍝ Kind Koloring of dfn/op named ⍵.                      
2017-05-03  turtle        ⍝ Flying-turtle graphics.                               
2017-05-03  segs          ⍝ ⍺-separated segments of vector ⍵.                     
2017-04-26  dfspan        ⍝ Depth-first spanning tree: graph ⍺ from vertex ⍵.     
2017-04-26  mdf           ⍝ Line hits for function ⍺⍺.                            
2017-04-26  quzzle        ⍝ A hard, simple puzzle.                                
2017-04-26  mp3           ⍝| Create playlist(s) for mp3 directories ⍵.            
2017-04-25  stdists       ⍝ Spanning-tree path lengths.                           
2017-04-25  wsreq         ⍝ WS required to execute expression ⍵.                  
2017-04-25  von           ⍝ Capitalise first letters of names,                    
2017-04-25  packH         ⍝ Huffman packing.                                      
2017-04-25  cmpx          ⍝ Approx expression timings.                            
2017-04-25  packR         ⍝ Run Length Encoding (RLE packing).                    
2017-04-25  packB         ⍝ Pack a simple array.                                  
2017-04-25  draw          ⍝ Draw over '*'s.                                       
2017-04-25  sudoku        ⍝ Solution vector for Sudoku problem ⍵.                 
2017-04-23  find          ⍝ Lines containing string(s) ⍵.                         
2017-04-21  stpaths       ⍝ Spanning tree paths.                                  
2017-04-21  gauss_jordan  ⍝ Gauss-Jordan elimination.                             
2017-04-21  justify       ⍝ Justify line-vector to width ⍺.                       
2017-04-21  getfile       ⍝ Get text file ⍵ as nested vector.                     
2017-04-21  esh           ⍝ Shell for Eide-number sums.                           
2017-04-21  pco           ⍝ Prime numbers.                                        
2017-04-21  wrap          ⍝ Wrap word vector at ⍺ cols.                           
2017-04-21  xtabs         ⍝ Expand/compress HT chars.                             
2017-04-21  efract        ⍝ Egyptian fractions: Fibonacci-Sylvester algorithm     
2017-04-21  kball         ⍝ Relationship between point and k-ball.                
2017-04-21  fnrepl        ⍝ Function string replacement.                          
2017-04-21  words         ⍝ Split vector into words.                              
2017-04-21  packX         ⍝ TeXt packer.                                          
2017-04-21  filefind      ⍝ Find 'string' ⍵ in component file ⍺.                  
2017-04-21  fnrefs        ⍝ External refs from function ⍵.                        
2017-04-21  ssword        ⍝ Approx alternative to xutils' ss.                     
2017-04-21  pred          ⍝ Partitioned reduction.                                
2017-04-20  packT         ⍝ Simple text vector packager.                          
2017-04-20  packZ         ⍝ Lempel-Ziv-Welch compression.                         
2017-04-20  dots          ⍝ Show dfn with "white dots".                           
2017-04-20  scc           ⍝ Strongly connected components.                        
2017-04-20  inslink       ⍝ Graph ⍺ with new edge ⍵.                              
2017-04-20  remlink       ⍝ Graph ⍺ without edge ⍵.                               
2017-03-29  rational      ⍝ Rational approximation to real ⍵.                     
2017-02-02  dft           ⍝ Display of function tree.                             
2017-01-25  bt            ⍝ Balanced Ternary Arithmetic.                          
2017-01-22  din           ⍝ Input of multi-line D-expression.                     
2017-01-15  int           ⍝ Signed from unsigned integer.                         
2016-11-24  tokens        ⍝ Lex of APL src line.                                  
2016-11-06  maze          ⍝ Kidz maze.                                            
2016-10-31  UndoRedo      ⍝ Derive undo/redo function.                            
2016-10-21  lsys          ⍝ Lindenmayer L-system expansion.                       
2016-10-19  H             ⍝ Quaternion arithmetic                                 
2016-09-07  cols          ⍝ Multi-column display.                                 
2016-08-17  cxdraw        ⍝ Complex function drawing.                             
2016-08-16  phinary       ⍝ Phinary representation of numbers ⍵.                  
2016-08-16  det           ⍝ Determinant of square matrix.                         
2016-08-16  kcell         ⍝ Relationship between point and k-cell.                
2016-07-15  exit          ⍝ Return to calling environment.                        
2016-07-15  mac           ⍝ Simple macro processor.                               
2016-07-15  putfile       ⍝ Put rows to text-file.                                
2016-07-15  unwrap        ⍝ Replace <LF> with blanks.                             
2016-07-15  vtrim         ⍝ Trim trailing blanks from line-vector.                
2016-07-15  vtol          ⍝ Nested vector to lines.                               
2016-07-05  tc            ⍝ Trace of function application.                        
2016-06-23  perv          ⍝ Scalar pervasion                                      
2016-06-23  rows          ⍝ Operand function applied to argument rows.            
2016-05-25  polar         ⍝ Polar from/to cartesian coordinates.                  
2016-04-05  bayes         ⍝ Bayes' formula.                                       
2016-04-05  eis           ⍝ enclose-if-simple / link                              
2016-03-30  dsp           ⍝ Reduced version of disp.                              
2016-03-14  xhtml         ⍝ Export this WS to ⍵\*.htm.                            
2016-02-20  ltrav         ⍝ List traversal.                                       
2016-02-20  kind          ⍝ Parse-category of name(s) ⍵.                          
2015-10-27  f32           ⍝ Conversion to 32-bit floats as ⎕DR 83.                
2015-10-26  disp          ⍝ Boxed sketch of nested array.                         
2015-10-25  from          ⍝ Select (1↓⍴⍵)-cells from array ⍵.                     
2015-10-25  days          ⍝ Days since 1899-12-31 (Meeus).                        
2015-10-25  match         ⍝ Wildcard match.                                       
2015-10-25  date          ⍝ ⎕TS format from day number (Meeus).                   
2015-10-25  logic         ⍝ Logical function array.                               
2015-10-20  wcost         ⍝ Cost vector for path ⍵ through weighted graph ⍺.      
2015-10-20  vof           ⍝ Vector of functions.                                  
2015-10-20  tnest         ⍝ Array from TreeView style tree.                       
2015-10-20  packS         ⍝ Shannon-Fano packing                                  
2015-10-20  joy           ⍝ Subset of the Joy language.                           
2015-10-20  dec           ⍝ Decimal from hexadecimal                              
2015-10-20  cal           ⍝ Calendar.                                             
2015-10-20  refs          ⍝ Vector of sub-space references for ⍵.                 
2015-10-20  ratsum        ⍝ ⍺⍺-rational sum of ⍺ and ⍵.                           
2015-10-17  display       ⍝ Boxed display of array.                               
2015-10-15  displays      ⍝ Boxed display of array.                               
2015-10-15  displayr      ⍝ Boxed display of array                                
2015-10-09  bf            ⍝ Brainfuck.                                            
2015-10-09  gperm         ⍝ ⍵-permutation of vertices of graph ⍺.                 
2015-10-07  ltov          ⍝ Lines to nested vector.                               
2015-10-07  chksum        ⍝ Simple ⍺-digit checksum.                              
2015-10-07  Cut           ⍝ Model of cut.  Works in either index-origin.          
2015-09-12  shannon       ⍝ Shannon entropy of message ⍵.                         
2015-06-16  xtimes        ⍝ Fast multi-digit product using FFT.                   
2015-06-16  lisp          ⍝ Evaluator for a subset of Scheme.                     
2015-06-16  apportion     ⍝ Huntington-Hill apportionment.                        
2015-06-16  Cholesky      ⍝ decomposition of a Hermitian positive-definite matrix.
2015-03-16  m91           ⍝ McCarthy's M91 function.                              
2014-08-29  tree          ⍝ Display of namespace tree.                            
2014-08-29  file          ⍝ Apply operand function to native file tie.            
2014-08-06  ary           ⍝ ⍺-ary representation of rational ⍵.                   
2014-08-06  splay         ⍝ Splay trees.                                          
2014-08-06  redblack      ⍝ Red-black trees.                                      
2014-08-06  rats          ⍝ Rational arithmetic.                                  
2014-08-06  k6174         ⍝ Kaprekar's operation.                                 
2014-08-06  avl           ⍝ Adelson-Velskii, Landis trees.                        
2014-08-06  sbst          ⍝ Simple Binary Search Trees.                           
2014-07-28  NormRand      ⍝ Random numbers with a normal distribution             
2014-07-15  ticks         ⍝ Sample Dfn execution clock ticks.                     
2014-07-12  utf8put       ⍝ Char vector ⍺ to UTF-8 file ⍵.                        
2014-07-12  utf8get       ⍝ Char vector from UTF-8 file ⍵.                        
2014-07-08  rmcm          ⍝ APL source with comments removed.                     
2014-05-20  up            ⍝ Ref to ⍵-parent of space ⍺.                           
2014-05-20  time          ⍝ Time function application.                            
2014-05-20  saw           ⍝ Function operand applied Simple-Array-Wise.           
2014-05-20  sam           ⍝ Select and modify.                                    
2014-05-20  memo          ⍝ Function memoization.                                 
2014-05-20  lof           ⍝ List of functions.                                    
2014-05-20  hex           ⍝ Hexadecimal from decimal.                             
2014-05-20  fk_           ⍝ Fork right.                                           
2014-05-20  cond          ⍝ proposition : consequence : alternative               
2014-05-20  cf            ⍝ Ratio of operand timings.                             
2014-05-20  _fk           ⍝ Fork left.                                            
2014-05-20  mns           ⍝ Make NS from association list ⍵.                      
2014-04-27  index         ⍝ ⍵-index of notes in space ⍺.                          
2013-10-02  refpath       ⍝ Refs path from root to ⍵.                             
2013-08-20  xrefs         ⍝ Extract refs vector from array ⍵.                     
2013-08-12  birthday      ⍝ probability of same birthday.                         
2013-05-22  unify         ⍝ Unification of expressions.                           
2013-05-22  tview         ⍝ TreeView style tree from nested array.                
2013-05-22  tfmt          ⍝ Char matrix from tree.                                
2013-05-22  refws         ⍝ Ref to saved ws ⍵.                                    
2013-05-22  queens        ⍝ The N-queens problem.                                 
2013-05-22  pmat          ⍝ Permutation matrix of ⍳⍵.                             
2013-05-22  pack4         ⍝ Quad-tree packing.                                    
2013-05-22  pack          ⍝ Save WS by sharing sub-arrays.                        
2013-05-22  ncpath        ⍝ ⎕path-aware ⎕nc.                                      
2013-05-22  nats          ⍝ Natural number arithmetic.                            
2013-05-22  kt            ⍝ Knight's Tour Chess Problem.                          
2013-05-22  htx           ⍝ Extract html segments.                                
2013-05-22  hexf          ⍝ IEEE 754/854 floating point.                          
2013-05-22  foldl         ⍝ Fold (reduce) from the left.                          
2013-05-22  enlist        ⍝ List ⍺-leaves of nested array.                        
2013-05-22  dist          ⍝ Levenshtein distance.                                 
2013-05-22  cache         ⍝ Ref to space containing initialised cache.            
2013-05-22  big           ⍝ Arithmetic on large integers.                         
2013-05-22  base64        ⍝ Base64 encoding and decoding as used in MIME.         
2013-05-22  assign        ⍝ Hungarian method cost assignment.                     
2013-05-22  ascana        ⍝ Higher rank asscociative scan.                        
2013-05-22  ascan         ⍝ Associative scan.                                     
2013-02-21  X             ⍝ Exact cover: Knuth's Algorithm X.                     
2012-12-27  mayan         ⍝ Mayan numbers.                                        
2012-08-13  ucase         ⍝ Upper-casification,                                   
2012-08-13  lcase         ⍝ Lower-casification,                                   
2012-08-08  rr            ⍝ Round-robin tournament.                               
2012-05-30  refmatch      ⍝ Space reference match.                                
2012-03-30  compidn       ⍝ Component timestamp in IDN format.                    
2012-02-05  trav          ⍝ Generic depth-first tree traversal.                   
2012-02-05  ravt          ⍝ Generic depth-first tree traversal.                   
2011-11-06  for           ⍝ Multiple selection of function list.                  
2011-10-30  to            ⍝ Sequence ⍺ .. ⍵                                       
2011-08-19  fk            ⍝ Fork                                                  
2011-07-30  xpower        ⍝ Fast multi-digit power using FFT.                     
2010-09-25  bags          ⍝ Multisets / bags.                                     
2010-08-15  select        ⍝ ⍺-selection of items of vector ⍵.                     
2010-07-24  nlines        ⍝ Number of display lines for simple array.             
2010-06-29  adic          ⍝ Bijective base-⍺ numeration.                          
2010-05-21  each          ⍝ Fast each for pure operand function.                  
2010-04-03  cfract        ⍝ Continued fraction approximation of real ⍵.           
2009-12-15  ksphere       ⍝ Surface area of k-sphere.                             
2009-11-17  isdfn         ⍝ Test for D function.                                  
2009-11-17  pow           ⍝ Explicit function power.                              
2009-11-14  colsum        ⍝ Sum of (default decimal) columns.                     
2009-11-14  type          ⍝ Widen ⍵ to type ⍺.                                    
2009-11-10  of            ⍝ Pick of F of G of H ... arg.                          
2009-10-31  or            ⍝ Sequential test.                                      
2009-10-31  and           ⍝ Sequential test.                                      
2009-03-28  nicediv       ⍝ ⍵ similar integers with sum ⍺.                        
2008-01-21  do            ⍝ Apply no-result function "en passant".                
2007-09-23  stamps        ⍝ Postage stamps to the value of ⍵.                     
2007-07-23  iotag         ⍝ Generalized ⍳.                                        
2007-05-12  sieve         ⍝ Sieve of Eratosthenes.                                
2007-04-29  uns           ⍝ Unsigned from signed integer.                         
2007-03-05  ripple        ⍝ Perfect Ripple Shuffle.                               
2007-01-08  subvec        ⍝ Is ⍺ a subvector of ⍵?                                
2006-05-16  gcd           ⍝ Greatest common divisor.                              
2005-10-25  list          ⍝ List from vector ⍵.                                   
2005-08-26  alrem         ⍝ Association list ⍺ with name ⍵ removed.               
2005-08-26  alvals        ⍝ Values of names ⍵ in association list ⍺.              
2005-08-26  alrems        ⍝ Association list ⍺ with names ⍵ removed.              
2005-08-26  alval         ⍝ Value of name ⍵ in association list ⍺.                
2005-08-26  alext         ⍝ Association list ⍺ extended with pair ⍵.              
2005-05-16  acc           ⍝ Accumulating reduction.                               
2005-04-26  dmb           ⍝ Drop Multiple Blanks.                                 
2005-01-12  invr          ⍝ Approx inverse of real-valued function.               
2004-11-25  packD         ⍝ Pack char array to boolean vector.                    
2004-08-12  packQ         ⍝ Assorted uniQues packer.                              
2004-04-13  search        ⍝ Breadth-first search of graph ⍺.                      
2004-03-26  stpath        ⍝ Path through spanning tree ⍺ to vertex ⍵.             
2004-03-03  easter        ⍝ Easter Sunday in year ⍵.                              
2004-02-24  box           ⍝ Box the simple text array ⍵.                          
2004-01-05  dtb           ⍝ Drop Trailing Blanks.                                 
2004-01-05  dlb           ⍝ Drop Leading Blanks.                                  
2003-12-29  range         ⍝ Numeric range classification.                         
2003-12-29  just          ⍝ Justify text array.                                   
2003-10-20  ss            ⍝ Approx alternative to xutils' ss.                     
2003-09-14  fnarray       ⍝ Array of functions.                                   
2003-09-13  vwise         ⍝ Variable-wise: apply ⍺⍺ to each var in space ⍵.       
2003-09-08  dscan         ⍝ Divide scan                                           
2003-09-08  mscan         ⍝ Minus scan.                                           
2003-06-20  roman         ⍝ Roman numeral arithmetic.                             
2003-04-17  mmind         ⍝ Mastermind or "cows and bulls".                       
2002-10-31  attrib        ⍝ Function/operator attributes.                         
2002-10-25  wsmerge       ⍝ {protected} merge from saved ws.                      
2002-05-30  rep           ⍝ Encapsulate function/operator.                        
2002-05-30  fix           ⍝ Fix function/operator rep.                            
2002-02-21  packU         ⍝ Unique packer.                                        
2002-02-21  packN         ⍝ Null packing.                                         
2001-09-24  remnode       ⍝ Remove vertex ⍵ from graph ⍺.                         
2001-09-23  insnode       ⍝ Insert vertex ⍵ in graph ⍺.                           
2001-07-19  mean          ⍝ Arithmetic mean.                                      
2001-07-19  fibonacci     ⍝ Tail-recursive Fibonacci.                             
2001-06-14  factors       ⍝ Prime factors of ⍵.                                   
2001-06-09  limit         ⍝ Function power limit (fixpoint).                      
2001-05-26  case          ⍝ Select statement                                      
2001-05-11  dab           ⍝ Drop All Blanks.                                      
2001-05-11  dxb           ⍝ Drop eXtraneous Blanks.                               
2001-05-11  deb           ⍝ Drop Ending Blanks.                                   
2001-05-05  while         ⍝ Conditional function power.                           
2001-05-04  until         ⍝ Conditional function power.                           
2001-02-12  cmat          ⍝ ⍺-combination matrix of ⍳⍵.                           
2000-12-18  mtrim         ⍝ Trim off trailing blank cols,                         
2000-11-09  timestamp     ⍝ Time-stamped message.                                 
2000-11-06  factorial     ⍝ Tail recursive factorial.                             
2000-11-02  squeeze       ⍝ Compress multiple blanks.                             
2000-10-20  bsearch       ⍝ Binary search: least n in range ⍵ with ⍺⍺ n.          
2000-10-13  ssmat         ⍝ Matrix search/replace.                                
2000-10-01  osc           ⍝ Oscillate - probably returns 1.                       
2000-08-10  traj          ⍝ Function limit 'trajectory'.                          
2000-07-06  life          ⍝ John Conway's "Game of Life".                         
2000-05-22  root          ⍝ ⍺'th root.                                            
1998-04-16  dice          ⍝ Interpret a throw of dice.                            
1998-03-05  roots         ⍝ Real roots of quadratic.                              
1998-03-05  else          ⍝ Condition f else g ...                                

Back to: Workspaces