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Forum Studenti •Derivabilità su R di una funzione data
Pagina 1 di 1

Derivabilità su R di una funzione data

Inviato: domenica 7 dicembre 2014, 11:11
da Dim
Buongiorno a tutti!

Sono uno studente al primo anno di Elettronica e mi ritrovo a porvi un quesito credo per i più elementare, ma non per me (diplomato al liceo linguistico, per cui un po' carente sugli argomenti di analisi).

Ho trovato svariati esercizi che chiedevano di determinare se una data funzione fosse derivabile su tutto R. Non vedendo un modo rapido per farlo, ho optato per calcolare la derivata e trovarne il campo di esistenza (dopo aver verificato che la funzione di partenza fosse continua su tutto R), dicendomi che se la funzione derivata esisteva su tutto R, allora ero arrivato a capo dell'esercizio.

Personalmente mi pare che il ragionamento fili, ma essendo dubbioso per natura ho cercato riscontro su internet, senza trovarlo, il che mi porta a dubitare del mio metodo.

Per cui, sono qui semplicemente a chiedere conferma o correzioni.

Buona giornata a tutti, e grazie in anticipo per le eventuali risposte! :D

Re: Derivabilità su R di una funzione data

Inviato: giovedì 1 gennaio 2015, 11:53
da GIMUSI