baseN Number String to Decimal Conversion in MATLAB

By RF Wireless Expert Team

Last Updated: August 25, 2026

This page provides MATLAB source code for converting a baseN number string to its decimal equivalent, essentially replicating the functionality of the base2dec function in MATLAB.

base2dec(str, b) is a MATLAB function that converts a string number str represented in base b into its decimal (base 10) equivalent.

Example:

output = base2dec('20', 3)


This would produce the following output:

output = 6


Because (2  3^1) + (0 _ 3^0) = 6.

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