Order of magnitude of number

Returns the order of magnitude of one or more numbers.

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Returns the order of magnitude of one or more numbers. Works on arrays. You can also specify the number base.

%Ex:
order( 1.2e-5 ) %returns -5
order(1) = 0
order( 1.12344e8 ) %returns 8
%Specify base 2:
order(1.2*2^5,2) %returns 5

Cite As

Ivar Eskerud Smith (2026). Order of magnitude of number (https://www.mathworks.com/matlabcentral/fileexchange/28559-order-of-magnitude-of-number), MATLAB Central File Exchange. Retrieved .

Acknowledgements

Inspired by: logb

Inspired: SEROUND: Round value and standard error

General Information

MATLAB Release Compatibility

  • Compatible with any release

Platform Compatibility

  • Windows
  • macOS
  • Linux
Version Published Release Notes Action
1.1.0.0

Added possibility to specify base.

1.0.0.0