調ちょう和わ数すう列れつ

noun

harmonic progression

Mathematical term for a sequence whose reciprocals form an arithmetic progression.

• 調ちょう和わ数すう列れつの一いっ般ぱん項こうを求もとめる問もん題だいが出でた。

  A problem to find the general term of a harmonic progression appeared on the exam.