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• Ambivalent function
  ...one (these are called dyadic). Ambivalent functions do not give a [[SYNTAX ERROR]] immediately in either case.
  4 KB (560 words) - 22:17, 10 September 2022
• Dyadic operator
  ...]] (<syntaxhighlight lang=apl inline>+.× A</syntaxhighlight> is a [[SYNTAX ERROR]], unless it's defined to be the [[Determinant]] operator), while [[Power (
  1 KB (196 words) - 22:15, 10 September 2022
• Times
  ...[[wikipedia:Associative property|associative]], but, due to floating point error, may result in small differences between mathematically equivalent expressi
  2 KB (195 words) - 10:48, 11 September 2022
• Backwards compatibility
  ...taxhighlight> could be a [[LENGTH ERROR]] (3 vs. 4 elements) or a [[DOMAIN ERROR]] (attempting to multiply characters). Implementations are known to change ...syntax is added. For example, it is common practice to insert a deliberate error into a function, in order to force execution to halt, and the tracing inter
  7 KB (1,014 words) - 23:29, 10 March 2024
• Rowan
  ...]], from which it inherits its array capabilities, connection to [[.NET]], error-handling and [[namespace]] architecture. The following examples shows its s
  1 KB (174 words) - 22:11, 10 September 2022
• Comparison tolerance
  ...m of [[comparison]] used to mitigate the impact of floating-point rounding error on programs. Two [[number]]s are considered equal when their relative diffe ...omodate multiple iterations of double-precision rounding (which introduces error on the order of <syntaxhighlight lang=apl inline>1e¯16</syntaxhighlight>)
  4 KB (601 words) - 13:30, 26 February 2024
• Match
  ...match. Unlike [[Equal to]], Match never gives a [[RANK ERROR]] or [[LENGTH ERROR]] because of argument shapes.
  4 KB (550 words) - 22:31, 10 September 2022
• Niladic function
  VALUE ERROR: Undefined name: a
  1 KB (227 words) - 22:30, 10 September 2022
• Box
  ...contained arrays [[match]]. Other scalar functions usually give a [[DOMAIN ERROR]] when passed boxed arguments; this differs from the nested array conventio
  1 KB (239 words) - 15:27, 30 April 2020
• Stop
  ...top returned "no result", so that attempting to use its result would be an error.<ref>[https://www.jsoftware.com/papers/satn45.htm "Language Extensions of M
  2 KB (251 words) - 08:17, 5 March 2024
• Learning resources
  * [[Error trapping with Dyalog APL]] * [[Error trapping in Dyalog APL forms]]
  10 KB (1,442 words) - 13:09, 4 March 2024
• Conjugate
  ...rn it unchanged even though other monadic scalar functions give a [[DOMAIN ERROR]]: DOMAIN ERROR
  5 KB (719 words) - 01:19, 18 March 2024
• Character
  ...syntaxhighlight lang=apl inline>'a'<'b'</syntaxhighlight> gives a [[DOMAIN ERROR]]). [[Character arithmetic]] extends addition and subtraction to characters
  2 KB (268 words) - 02:46, 25 February 2024
• String
  ..., put spaces between them. A newline character within a string produces an error. To produce newlines or other non-printing characters which would be inconv
  2 KB (281 words) - 10:52, 11 September 2022
• Raze
  ...]]. In A+, the elements must have the same rank and major cell shape or an error results; in J, lower-rank arrays are promoted to a higher rank and arrays a ...uction implementation results in a scalar (or, in [[NARS2000]], a [[DOMAIN ERROR]]). This is because Raze treats scalar elements of its argument as singleto
  6 KB (812 words) - 23:25, 29 January 2024
• Factorial
  DOMAIN ERROR
  2 KB (289 words) - 21:21, 10 September 2022
• Maximum
  :''This page is about the primitive function. For system limits, see [[LIMIT ERROR]] and [[Maximum rank]].''
  2 KB (317 words) - 21:28, 10 September 2022
• Array notation
  z⍪← 2 'SYNTAX ERROR' z⍪← 3 'INDEX ERROR'
  15 KB (1,875 words) - 04:23, 21 September 2023
• Error trapping with Dyalog APL
  ...to forecast all errors is impossible. Therefore, implementing some kind of error trapping in an application which is supposed to run in a productive environ ...een available in [[Dyalog APL]] for a long time. When you try to implement error trapping you should be very careful: it is easy to implement a non-interrup
  32 KB (3,860 words) - 22:09, 10 September 2022
• Reverse Compose
  ...e>g⍨∘f⍨</syntaxhighlight>. In [[dzaima/APL]] the monadic case is simply an error.
  3 KB (414 words) - 00:12, 17 March 2024

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