weight_decay {fastai} | R Documentation |
Weight_decay
Description
Weight decay as decaying 'p' with 'lr*wd'
Usage
weight_decay(p, lr, wd, do_wd = TRUE, ...)
Arguments
p |
p |
lr |
learning rate |
wd |
weight decay |
do_wd |
do_wd |
... |
additional args to pass |
Value
None
Examples
## Not run:
tst_param = function(val, grad = NULL) {
"Create a tensor with `val` and a gradient of `grad` for testing"
res = tensor(val) %>% float()
if(is.null(grad)) {
grad = tensor(val / 10)
} else {
grad = tensor(grad)
}
res$grad = grad %>% float()
res
}
p = tst_param(1., 0.1)
weight_decay(p, 1., 0.1)
## End(Not run)
[Package fastai version 2.2.2 Index]