expression

Classes

Expression(*args, **kwds)	A shared expression container, which may be defined over an index.
ExpressionData([expr, component])	An object that defines an expression that is never cloned
IndexedExpression(*args, **kwds)
NamedExpressionData()	An object that defines a generic "named expression".
ScalarExpression(*args, **kwds)
SimpleExpression(*args, **kwargs)