Turunan logaritmik

Dalam matematika, khususnya dalam kalkulus dan analisis kompleks, turunan logaritmik dari fungsi f didefinisikan dengan rumus dengan f' merupakan turunan dari f.[1] Ketika f merupakan suatu fungsi f(x) dari variabel real x yang bernilai bilangan real positif sempurna, maka turunan logaritmik sama dengan turunan dari logaritma alami dari f. Dengan menggunakan aturan rantai dapat disimpulkan langsung bahwa:[1][2]

Referensi

  1. ^ a b "Logarithmic derivative - Encyclopedia of Mathematics". encyclopediaofmath.org. 7 December 2012. Diakses tanggal 12 August 2021. Pemeliharaan CS1: Status URL (link)
  2. ^ "logarithmic derivative". planetmath.org. Diakses tanggal 2021-08-12.


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