tf.math.lgamma | TensorFlow v2.16.1 (original) (raw)
tf.math.lgamma
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Computes the log of the absolute value of Gamma(x) element-wise.
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tf.math.lgamma(
x: Annotated[Any, tf.raw_ops.Any],
name=None
) -> Annotated[Any, tf.raw_ops.Any]
For positive numbers, this function computes log((input - 1)!) for every element in the tensor.lgamma(5) = log((5-1)!) = log(4!) = log(24) = 3.1780539
Example:
x = tf.constant([0, 0.5, 1, 4.5, -4, -5.6])
tf.math.lgamma(x) ==> [inf, 0.5723649, 0., 2.4537368, inf, -4.6477685]
| Args | |
|---|---|
| x | A Tensor. Must be one of the following types: bfloat16, half, float32, float64. |
| name | A name for the operation (optional). |
| Returns |
|---|
| A Tensor. Has the same type as x. |
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Last updated 2024-04-26 UTC.