Temporarily modify gradient recording.

with_no_grad(code)

Arguments

code

code to be executed with no gradient recording.

Examples

if (torch_is_installed()) {
x <- torch_tensor(runif(5), requires_grad = TRUE)
with_no_grad({
  x$sub_(torch_tensor(as.numeric(1:5)))
})
x
x$grad

}
#> torch_tensor
#> [ Tensor (undefined) ]