Logaddexp
Logaddexp
torch_logaddexp(self, other)
self |
(Tensor) the input tensor. |
other |
(Tensor) the second input tensor |
Logarithm of the sum of exponentiations of the inputs.
Calculates pointwise \log≤ft(e^x + e^y\right). This function is useful in statistics where the calculated probabilities of events may be so small as to exceed the range of normal floating point numbers. In such cases the logarithm of the calculated probability is stored. This function allows adding probabilities stored in such a fashion.
This op should be disambiguated with torch_logsumexp() which performs a
reduction on a single tensor.
if (torch_is_installed()) {
torch_logaddexp(torch_tensor(c(-1.0)), torch_tensor(c(-1.0, -2, -3)))
torch_logaddexp(torch_tensor(c(-100.0, -200, -300)), torch_tensor(c(-1.0, -2, -3)))
torch_logaddexp(torch_tensor(c(1.0, 2000, 30000)), torch_tensor(c(-1.0, -2, -3)))
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