chainer.functions.cumsum

chainer.functions.cumsum(x, axis=None)[source]

Cumulative sum of array elements over a given axis.

Parameters:
  • x (Variable or N-dimensional array) – 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:

Variable