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Computes Spence's integral of x element-wise.
tf.math.special.spence(
x, name=None
)
Spence's integral is defined as the integral of log(t) / (1 - t) from
1 to x, with the domain of definition all non-negative real numbers.
tf.math.special.spence([0.5, 1., 2., 3.]).numpy()array([ 0.58224034, 0. , -0.82246685, -1.4367464], dtype=float32)
This implementation is based off of the Cephes math library.
Args | |
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x
|
A Tensor or SparseTensor. Must be one of the following types:
float32, float64.
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name
|
A name for the operation (optional). |
Returns | |
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A Tensor or SparseTensor, respectively. Has the same type as x.
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scipy compatibility
Equivalent to scipy.special.spence