linopy.variables.Variable.sum#
- Variable.sum(dims=None)#
Sum the variables over all or a subset of dimensions.
This stack all terms of the dimensions, that are summed over, together. The function works exactly in the same way as
LinearExpression.sum()
.- Parameters:
dims (
str/list
, optional) – Dimension(s) to sum over. The default is None which results in all dimensions.- Returns:
linopy.LinearExpression
– Summed expression.