replace_constants function

(Shortest import: from brian2.parsing.sympytools import replace_constants)

brian2.parsing.sympytools.replace_constants(sympy_expr, variables=None)

Replace constant values in a sympy expression with their numerical value.

Parameters:

sympy_expr : sympy.Expr

The expression

variables : dict-like, optional

Dictionary of Variable objects

Returns:

new_expr : sympy.Expr

Expressions with all constants replaced