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

`from_physical`(x)	Transformation from value in physical to value in logarithmic units.
`to_physical`(x)	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.