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Diffstat (limited to 'polymatrix/expression/mixins/sumexprmixin.py')
| -rw-r--r-- | polymatrix/expression/mixins/sumexprmixin.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/polymatrix/expression/mixins/sumexprmixin.py b/polymatrix/expression/mixins/sumexprmixin.py index 9957f10..9e12e07 100644 --- a/polymatrix/expression/mixins/sumexprmixin.py +++ b/polymatrix/expression/mixins/sumexprmixin.py @@ -10,6 +10,12 @@ from polymatrix.polymatrix.mixins.polymatrixmixin import PolyMatrixMixin class SumExprMixin(ExpressionBaseMixin): + """ + For each row of the matrix sum the colum elements. + + [[1, 2, 3], [4, 5, 6]] -> [[6], [15]] + """ + @property @abc.abstractclassmethod def underlying(self) -> ExpressionBaseMixin: |