Category:K
This programming language may be used to instruct a computer to perform a task.
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| Garbage collected: | Yes |
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| Type checking: | Dynamic |
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K is a proprietary array processing language developed by Arthur Whitney and commercialized by Kx Systems. The language serves as the foundation for kdb, an in-memory, column-based database, and other related financial products. The language, originally developed in 1993, is a variant of APL and contains elements of Scheme. Advocates of the language emphasize its speed, facility in handling arrays and its expressive syntax.[1]
There are many dialects of K named after the versions of K produced by Whitney while working at various companies. K1 and K2 are no longer available. K3, K4, K5 and K6 have been implemented as open-source by various people. K7 has been publicly documented. The current language level under development by Whitney is K9, with its implementation named shakti.
Implementations
- ktye/i is a portable K6 written in Go
- ngn/k is a K6 written in C
- oK is a K5 written in JavaScript
- Kona is a K3 written in C
- shakti is a proprietary K9
Related
Resources
Examples
- K Programming Language has basic examples
Citations
Subcategories
This category has the following 3 subcategories, out of 3 total.
@
- K examples needing attention (empty)
- K Implementations (3 P)
- K User (8 P)
Pages in category "K"
The following 179 pages are in this category, out of 179 total.
A
- A+B
- ABC correlation
- Abundant, deficient and perfect number classifications
- Ackermann function
- Amicable pairs
- Anagrams
- Anagrams/Deranged anagrams
- Angle difference between two bearings
- Anonymous recursion
- Array concatenation
- Array length
- Associative array/Creation
- Associative array/Iteration
- Averages/Arithmetic mean
- Averages/Median
- Averages/Mode
- Averages/Pythagorean means
- Averages/Root mean square
- Averages/Simple moving average
C
E
F
H
I
K
L
M
P
R
S
- Search a list
- Self-describing numbers
- Sequence of non-squares
- Shell one-liner
- Show ASCII table
- Show the (decimal) value of a number of 1s appended with a 3, then squared
- Sort an integer array
- Sort disjoint sublist
- Sort numbers lexicographically
- Sort the letters of string in alphabetical order
- Sorting algorithms/Quicksort
- Split a character string based on change of character
- Stack
- String append
- String case
- String concatenation
- String length
- String matching
- String prepend
- Strip a set of characters from a string
- Strip whitespace from a string/Top and tail
- Substring/Top and tail
- Sum and product of an array
- Sum of a series
- Sum of first n cubes
- Sum of squares
- Symmetric difference