Sign Function

Creator

Creator

Seonglae Cho

Created

Created

2023 Apr 27 2:14

Editor

Editor

Seonglae Cho

Edited

Edited

2025 Mar 24 16:58

Refs

Refs

Signum function

Gradient of
L1 Norm

Decision rule for classification

In mathematics, the sign function or signum function is a function that returns the sign of a real number. In mathematical notation the sign function is often represented as .

https://en.wikipedia.org/wiki/Sign_function

Sign function

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