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• Trains
  ...apll>, etc, are arbitrary functions of any type: primitive, user-defined, system, anonymous, and/or derived.</td> ...above descriptions. Very nicely, they fit into and extend the spectrum of function definition syntax from user-defined to dynamic to trains to operator expres
  3 KB (467 words) - 19:32, 15 April 2018
• Matrix Inverse/Divide
  ...apll> is a numeric scalar, vector or matrix; otherwise signal a <apll>RANK ERROR</apll>.</td> <p>For variations on this function, see the [[Variant#Eigenvalues_and_Eigenvectors|Variant Operator]].</p>
  5 KB (755 words) - 14:58, 8 October 2023
• System Function AT
  ...for a dyadic or ambivalent function or for a dyadic or ambivalent derived function from an operator/hyperator.<br /> ...lt is all <apll>0</apll>. All times are in UTC and represent the time the function was last modified.
  8 KB (1,209 words) - 14:42, 19 March 2019
• User-Defined Functions/Operators/Hyperators
  ...ach name) or anappropriate length vector argument. Upon invocation of the function/operator/hyperator, these values are assigned one item per name.</p> <p>For example, a function whose header looks like</p>
  15 KB (2,394 words) - 19:34, 3 April 2019
• Consistent Extensions in NARS2000
  ...tended APL Standard in that they replace error-producing behavior with non-error-producing behavior. Note that Extended APL Standard wants you to know that ...tor dieresis-jot]] (<apll><i>f</i>⍤[X] Y</apll>) (rank) is used to apply a function to (monadic) or between (dyadic) cells of the argument(s).
  17 KB (2,547 words) - 21:20, 13 October 2019
• Quad EC C Source Code Analysis
  ...s a model example for '''returning a nested vector to APL''' from a System Function call. Remember per your technical knowledge of APL: '''[[System_Function_E ...ector result''' of the call to <'''qf_ec.c'''>, specifically, from monadic function '''SysFnMonEC_EM_YY'''. '''lpYYRes''' also contains a pointer to an object
  10 KB (1,408 words) - 16:30, 21 August 2015
• Anonymous Functions/Operators/Hyperators
  ...vg←{(+⌿⍵)÷≢⍵}</apll>, and named or unnamed may be used in place of any APL function (primitive, operator operand, hyperator hyperand, derived, train, user-defi == Function Arguments ==
  21 KB (2,816 words) - 19:06, 10 September 2022
• Datatypes and Storage
  SysVarValid:5, // 000F8000: Index to validation routine for System Vars (see SYS_VARS) UsrDfn:1, // 00100000: User-defined function/operator/hyperator
  13 KB (1,507 words) - 22:55, 13 October 2019
• Creating New System Functions
  <big>'''NARS2000 Creating New Quad System Functions'''</big> ...The basic premise is that '''you''' have an idea for a '''new Quad system function''' command for APL/NARS and wish to implement it, add it to NARS functional
  30 KB (4,513 words) - 21:24, 13 October 2019
• System Function DR
  This function is available in both ''monadic'' and ''dyadic'' forms. ==Monadic Function==
  13 KB (1,798 words) - 20:07, 18 February 2024
• Point Notation
  ...> is the [https://en.wikipedia.org/wiki/Riemann_zeta_function Riemann Zeta function].</td> The number to the left of the <apll><_b/></apll> is the base of the number system for the characters to the right of the <apll><pn>b</pn></apll>. The base m
  18 KB (2,863 words) - 15:52, 10 September 2022
• System Function Native Files
  ...mdash; <apll>¯128</apll> to <apll>127</apll>); if not, then a <apll>DOMAIN ERROR</apll> is signalled.</p> ...nnot be truncated at the high end without losing data, then a <apll>DOMAIN ERROR</apll> is signalled. For example, if the data in <apll>L</apll> is charact
  27 KB (4,190 words) - 21:31, 30 January 2024
• Control Structures
  This statement exits the current function and is equivalent to <apll>→0</apll>. ...apll>:select</apll> statement's expression. The comparison uses the Match function (≡), so it takes into account rank and shape at every level.
  18 KB (2,759 words) - 00:24, 16 March 2024
• Ball Arithmetic
  To demonstrate with an extreme example, consider the following function: ...Contract''', and separated into its constituent parts with a new primitive function '''Distract'''.
  29 KB (4,040 words) - 08:03, 19 August 2022

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