scipy.constants.precision¶
-
scipy.constants.
precision
(key)[source]¶ Relative precision in physical_constants indexed by key
Parameters: key : Python string or unicode
Key in dictionary
physical_constants
Returns: prec : float
Relative precision in
physical_constants
corresponding to keySee also
codata
- Contains the description of
physical_constants
, which, as a dictionary literal object, does not itself possess a docstring.
Examples
>>> from scipy import constants >>> constants.precision(u'proton mass') 1.2555138746605121e-08