Description Usage Arguments Value Keras Backend
This function is more numerically stable than log(sum(exp(x))). It avoids overflows caused by taking the exp of large inputs and underflows caused by taking the log of small inputs.
1  k_logsumexp(x, axis = NULL, keepdims = FALSE)

x 
A tensor or variable. 
axis 
An integer, the axis to reduce over (axis indexes are 1based). 
keepdims 
A boolean, whether to keep the dimensions or not. If

The reduced tensor.
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: https://keras.rstudio.com/articles/backend.html#backendfunctions.
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