noun
logarithmic differentiation
A calculus technique where one takes the natural logarithm of both sides of an equation and then differentiates, often used for functions with variable exponents or complex products.
対数微分法を使うと、x^x の導関数が簡単に求められる。
Using logarithmic differentiation, the derivative of x^x can be found easily.
Compound of 対数 (logarithm) + 微分 (differentiation) + 法 (method). The term directly describes the technique.