# LogUnit¶

class astropy.units.function.logarithmic.LogUnit(physical_unit=None, function_unit=None)[source]

Logarithmic unit containing a physical one

Usually, logarithmic units are instantiated via specific subclasses such MagUnit, DecibelUnit, and DexUnit.

Parameters
physical_unitUnit or string

Unit that is encapsulated within the logarithmic function unit. If not given, dimensionless.

function_unitUnit or string

By default, the same as the logarithmic unit set by the subclass.

Methods Summary

 Transformation from value in physical to value in logarithmic units. Transformation from value in logarithmic to value in physical units.

Methods Documentation

from_physical(x)[source]

Transformation from value in physical to value in logarithmic units. Used in equivalency.

to_physical(x)[source]

Transformation from value in logarithmic to value in physical units. Used in equivalency.