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Add the mse loss. (#723)

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Laurent Mazare
2023-09-03 11:51:40 +02:00
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parent 84d003ff53
commit 74a82c358a
2 changed files with 9 additions and 0 deletions
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5
candle-nn/src/loss.rs
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@ -43,3 +43,8 @@ pub fn cross_entropy(inp: &Tensor, target: &Tensor) -> Result<Tensor> {
let inp = crate::ops::log_softmax(inp, 1)?;
nll(&inp, target)
}
/// The mean squared error loss.
pub fn mse(inp: &Tensor, target: &Tensor) -> Result<Tensor> {
(inp - target)?.sqr()?.mean_all()
}