https://groups.google.com/g/comp.lang.apl/c/vRjMvZZUIiw/m/CxGL-FR-AAAJ
Problem with Dyalog's arctanh function?
problemdyalogfunction
https://tensorflow.google.cn/api_docs/python/tf/keras/ops/arctanh?authuser=2
tf.keras.ops.arctanh | TensorFlow v2.16.1
Inverse hyperbolic tangent, element-wise.
tfkerasopstensorflow
https://tensorflow.google.cn/api_docs/python/tf/experimental/numpy/arctanh?authuser=1
tf.experimental.numpy.arctanh | TensorFlow v2.16.1
TensorFlow variant of NumPy's arctanh.
tfexperimentalnumpytensorflow
https://www.tensorflow.org/versions/r2.8/api_docs/python/tf/experimental/numpy/arctanh
tf.experimental.numpy.arctanh | TensorFlow v2.8.4
TensorFlow variant of NumPy's arctanh.
tfexperimentalnumpytensorflow