noun
sequence of differences
Mathematical term for a sequence formed by taking the differences between consecutive terms of another sequence.
階差数列を調べると、元の数列の性質がわかることがある。
Examining the sequence of differences can sometimes reveal properties of the original sequence.
Compound of 階差 (かいさ, 'difference between successive terms') and 数列 (すうれつ, 'numerical sequence').