frac

→Tensor

frac(input: Tensor)

Element-wise fractional part.

Returns x - trunc(x) for each entry, preserving the sign of the input.

inputTensor

Input tensor.

Tensor

Element-wise result with the same shape as input.

Mathematical definition:

\text{out}_i = \text{input}_i - \mathrm{trunc}(\text{input}_i)

Output lies in $(-1, 1)$ . Gradient is one almost everywhere.

>>> import lucid
>>> x = lucid.tensor([1.0, 2.0, 3.0])
>>> lucid.frac(x)
Tensor([...])

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