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tfp.substrates.numpy.math.igammainv

Computes the inverse to tf.math.igamma with respect to p.

This function is defined as the solution x to the equation p = tf.math.igamma(a, x).

References

[1] A. Didonato and A. Morris, Computation of the Incomplete Gamma Function Ratios and their Inverse https://dl.acm.org/doi/10.1145/22721.23109

a A positive float Tensor. Must be broadcastable with p.
p A float Tensor whose entries lie in [0, 1]. Must be broadcastable with a.
name Optional Python str naming the operation.

igammainv igammainv(a, p). Has same type as a.