Splits Tensors in 'x' recursively. Args: x: a Tensor, or a list or NestMap containing Tensors to split. num_splits: number of splits per Tensor. axis: the split axis. Returns: A list of split values of length 'num_splits'. - If 'x' is a Tensor, a list of split Tensors.
(x, num_splits, axis=-1)
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