Find the base b logarithm of the input decimal number x. Express the output as a decimal number. The first argument is the number x, and the second argument is the base b.

Examples

 logb(1024,2)    ---> 10
 logb(25,5)      --->  2
 logb(100000,10) --->  5
Solve

Solution Stats

894 Solutions

579 Solvers

Last Solution submitted on May 18, 2026

Last 200 Solutions

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers579

Cristian Gutiérrez Lorenzo Abdullah Almatar Oscar Danielson

Suggested Problems

More from this Author23

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!