Cumulative sum of the values in a tensor, alongside the specified axis.

k_cumsum(x, axis = 1)



A tensor or variable.


An integer, the axis to compute the sum (axis indexes are 1-based).


A tensor of the cumulative sum of values of x along axis.

Keras Backend

This function is part of a set of Keras backend functions that enable lower level access to the core operations of the backend tensor engine (e.g. TensorFlow, CNTK, Theano, etc.).

You can see a list of all available backend functions here: