progression
progress + -ion
/icons/point.icon 数列
How does sequence and progression differ?
progression: 数式で表すことができる数字の集合 (e.g. n-th term$ 2n +1)
sequence: 特定のルールに従っているが、数式で表すことができない数字の集合(e.g. prime number: 素数)
ちなみに級数はseries
noun
the process of developing or moving gradually towards a more advanced state: より進んだ状態に向けて徐々に発達する、動くプロセス
«…からの/…への» 進歩, 進展, 発展(development) «from/to»
e.g. the normal progression from junior to senior status.: 下級から上級の状態への通常の進展
a succession; a series: 連続;
e.g. counting the twenty-four hours in a single progression from midnight.
Music a passage or movement from one note or chord to another:
〘楽〙 (コードの)進行.
e.g. a blues progression.
Mathematics short for arithmetic progression, geometric progression, or harmonic progression.: 等差数列、等比数列、調和数列の短縮
〘数〙 数列
Astrology a predictive technique in which the daily movement of the planets, starting from the day of birth, represents a year in the subject's life.
DERIVATIVES
progressional | -SHənl | adjective
ORIGIN
late Middle English: from Old French, from Latin progressio(n-), from the verb progredi (see progress).