Convert Number Bases

Version 1.0.0.0 (3.52 KB) by Bob Kagy
Convert from any numerical base and encoding to any other, even for large numbers.
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Updated 6 Dec 2004

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Convert from any base and encoding to any other base and encoding.

Base: Base 2, Base 10, Base 16, Base 64
The number of symbols used to represent a value.

Encoding: The symbols used to represent the value of a digit in a particular place.

Examples:
Base 10 Decimal to Base 16 Hexadecimal:
cnvbase('76','0123456789','0123456789ABCDEF') = '4C'
Base 10 to Base 255:
cnvbase('8745','0123456789',[0:255]) = [34 41]

The algorithm for converting from one base to another does not rely on converting the input to a single float, thus avoiding precision problems with integers greater than 2^53.

Cite As

Bob Kagy (2024). Convert Number Bases (https://www.mathworks.com/matlabcentral/fileexchange/6462-convert-number-bases), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R13SP1
Compatible with any release
Platform Compatibility
Windows macOS Linux

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Version Published Release Notes
1.0.0.0