chainer.functions.cumsum¶
-
chainer.functions.
cumsum
(x, axis=None)[source]¶ Cumulative sum of array elements over a given axis.
Parameters: - x (
Variable
ornumpy.ndarray
orcupy.ndarray
) – Elements to calculate the cumulative sum. - axis (int or None) – Axis along which the cumulative sum is taken. If it is not specified, the input is flattened.
Returns: Output variable.
Return type: - x (