torch.logaddexp2 — PyTorch 2.5 documentation (original) (raw)

torch.logaddexp2(input, other, *, out=None) → Tensor¶

Logarithm of the sum of exponentiations of the inputs in base-2.

Calculates pointwise log⁡2(2x+2y)\log_2\left(2^x + 2^y\right). Seetorch.logaddexp() for more details.

Parameters

• input (Tensor) – the input tensor.
• other (Tensor) – the second input tensor

Keyword Arguments

out (Tensor, optional) – the output tensor.

• torch.logaddexp2
  • logaddexp2()

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