{"url":"/method/lecun-s-tanh","slug":"lecun-s-tanh","name":"Lecun's Tanh","full_name":"Lecun's Tanh","full_name_withheld":false,"description_markdown":"**LeCun's tanh** is an activation function of the form $f\\left(x\\right) = 1.7159\\tanh\\left(\\frac{2}{3}x\\right)$. The constants were chosen to keep the variance of the output close to 1.","description_state":"present","introduced_year":1998,"introduced_by":{"title":null,"paper":null,"first_author":null,"n_authors":0,"url_abs":null,"archive_paper_url":null},"source":{"url":null,"title":null,"url_on_a_paper_host":false},"code_snippet_url":null,"code_snippet_url_on_a_code_host":false,"categories":[{"area":"General","area_id":"general","collection":"Activation Functions","url":"/methods/category/activation-functions","pwc_aliases":[]}],"n_papers_tagged":0,"archive_num_papers":0,"papers_newest_first":[],"papers_shown":0,"tasks":[],"tasks_shown":0,"n_tasks":0,"usage_by_year":[],"row_source":"methods_table","archive":{"source":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28","archive_url":"https://paperswithcode.com/method/lecun-s-tanh"},"syntology_read_at":"2026-09-24T18:15:14+00:00"}