411 REFERENCE · Wiktionary
A*
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Pronunciation
as "A star": en /eɪ̯ stɑː/
en en-us-a-star.ogg US
Noun
~ A* 's s
A* search algorithm
An academic grade, higher than A or A+. Where it is used, it is often the best class of result.
en Alexandra Smith Johnson unveils exam reform plans w:The Guardian https://www.theguardian.com/education/2006/nov/30/schools.alevels 2006-11-30 "The A* grade at A-level is the inevitable consequence of the intention to make A-levels harder. As such, it will provide additional recognition for additional achievement. Importantly, it leaves the existing grades A to E untouched, so that standards over time are preserved." https://web.archive.org/web/20250824003801/https://www.theguardian.com/education/2006/nov/30/schools.alevels
en algorithm uncountable A best-first graph search algorithm for finding a lowest-cost path to a goal.
See also
en A+
References
academic grade Guardian article explaining A* grade
search algorithm Generalized best-first search strategies and the optimality of A*
en Academic grades