# API Reference


## Functions


Utility functions


[euclidean_distance()](euclidean_distance.md#gdtest_math_docs.euclidean_distance)  
Compute Euclidean distance between two vectors.

[sigmoid()](sigmoid.md#gdtest_math_docs.sigmoid)  
Compute the sigmoid function.

[softmax()](softmax.md#gdtest_math_docs.softmax)  
Compute softmax probabilities.