is_stateful function¶
(Shortest import: from brian2.equations.equations import is_stateful)
-
brian2.equations.equations.
is_stateful
(expression, variables)[source]¶ Whether the given expression refers to stateful functions (and is therefore not guaranteed to give the same result if called repetively).
Parameters: expression :
sympy.Expression
The sympy expression to check.
variables : dict
The dictionary mapping variable names to
Variable
orFunction
objects.Returns: stateful : bool
True
, if the given expression refers to a stateful function likerand()
andFalse
otherwise.