フーリエ級数 だった
fūrie kyūsūdatta
1. Was a Fourier series.
Noun
#219401
1. Was a Fourier series.
1. series
1. Fourier transform
1. geometric (progression, etc.)
1. Fourier series
1. power series
1. infinite series
1. geometric series
1. If/when Fourier series
1. alternating series