feynlag.parameters.ExternalParameter¶

class feynlag.parameters.ExternalParameter(name, value=None, tex=None, real=True, positive=False, unit_dim=0)[source]¶

Parameter fixed by experiment; input of the model.

value may be a float or a SymPy expression in other external parameters’ numeric values (evaluated at benchmark time).

__init__(name, value=None, tex=None, real=True, positive=False, unit_dim=0)[source]¶

Methods

__init__(name[, value, tex, real, positive, ...])

Attributes

`nature`
`s`	The underlying SymPy symbol (shorthand for expressions).