scipy.constants.precision¶
-
scipy.constants.
precision
(key)[source]¶ Relative precision in physical_constants indexed by key
- Parameters
- keyPython string or unicode
Key in dictionary
physical_constants
- Returns
- precfloat
Relative precision in
physical_constants
corresponding to key
Examples
>>> from scipy import constants >>> constants.precision(u'proton mass') 5.1e-37