na-adjective
logarithmic
Used in mathematics and computing to describe something related to logarithms, such as a logarithmic scale or function.
このグラフは対数的なスケールで描かれている。
This graph is drawn on a logarithmic scale.
アルゴリズムの計算量が対数
The computational complexity of the algorithm increases logarithmically.
Compound of 対数 (taisū, 'logarithm') + 的 (-teki, '-like, -ic'). 対数 is a Meiji-era calque from English 'logarithm'.