{"Entry":{"collection":"func","key":"tanh","name":"tanh","aliases":[],"metadata":{"changed_in":[],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"11","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"12"},{"descriptions_changed":false,"doc_overhaul":true,"from":"12","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"13"}],"content_hash":"7d674c0eae761f697c973afc30369538b9c2d3d1ffa689c27956e4f08bc31f4b","derived_content_hash":"30911c98bf10f599618c65bfa1aa1df963fec973fbe18e3ecbc6d9b23fc45bda","documentation_refresh":{"batch":"20261113","original_source_rev":"wiki-repair-20261023:aeedc07fd0514a0e1662c3d211487a78b32c42e02353792baab181c9b6243af2","versions":{"14":"14.25","15":"15.20","16":"16.16","17":"17.12","18":"18.7","19":"19rc2"}},"first_version":"12","group":"math","group_label":"Mathematical Functions And Operators","groups":["math"],"imported_at":"2026-09-27T17:57:28.284766+08:00","last_version":"20","name":"tanh","name_key":"tanh","position":2052,"present_in":["12","13","14","15","16","17","18","19","20"],"repair_provenance":{"original_source_revision":"b7bd9cda","receipt_sha256":"e9a107b40487f7e307ce8e2defce845275457cade4ee6c4c44158ac95b3c9c0a","repair":"wiki-repair-20261023"},"signature":"tanh ( double precision ) → double precision","signature_count":1,"slug":"tanh","source_rev":"wiki-repair-20261023:aeedc07fd0514a0e1662c3d211487a78b32c42e02353792baab181c9b6243af2","summary":"Hyperbolic tangent","summary_zh":""}},"Definition":{"Collection":"func","Key":"tanh","SourceDatabase":"center","Version":"18","SourceTable":"func","SourceKey":"tanh","SourceRevision":"wiki-repair-20261023:aeedc07fd0514a0e1662c3d211487a78b32c42e02353792baab181c9b6243af2","Facts":{"description":"Hyperbolic tangent","description_html":"Hyperbolic tangent","description_zh":"双曲正切","description_zh_html":"双曲正切","doc":{"anchor":"FUNCTIONS-MATH-HYP-TABLE","file":"functions-math.html","sha256":"80bdcd3a2c7112aadf400e832cc7c8ee55e389d9b3c12e767c3fbb2b3364ef7b","slug":"18"},"documentation_revision":{"inputs":[{"file":"functions-math.html","kind":"same-version-reviewed-manual","locale":"en","sha256":"80bdcd3a2c7112aadf400e832cc7c8ee55e389d9b3c12e767c3fbb2b3364ef7b","version":"18.7"},{"file":"functions-math.html","kind":"same-version-reviewed-manual","locale":"zh-Hans","sha256":"b48c7e1d8abf0f030ad0ef2aa1403db7015a96af265d49a15eaa2f1945a13a5f","version":"18.7"}],"release":"18.7","runtime_remeasured":false,"source_revision":"pgdoc:b9f0e7232f60f380d642ac9b99226606c254b552"},"group":"math","group_label":"数学函数和操作符","lang":"en","layout":"table-new","pages":["functions-math.html"],"prose_only":false,"signatures":[{"description":"Hyperbolic tangent","description_html":"Hyperbolic tangent","description_zh":"双曲正切","description_zh_html":"双曲正切","examples":[{"expr":"tanh(1)","result":"0.7615941559557649"}],"html":"\u003ccode class=\"function\"\u003etanh\u003c/code\u003e ( \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003edouble precision\u003c/code\u003e","returns":"double precision","text":"tanh ( double precision ) → double precision","zh_from":"same-version-manual"}],"translation_provenance":{"inputs":[{"kind":"current-pgdoc-translation","path":"/Users/vonng/pgsty/pgdoc/zh/18/html/functions-math.html","sha256":"b5f393c537ea29401867ea8b97292650ee67b0dd9e8cde535aae77bc594b3736"}],"kind":"same-version-pgdoc","locale":"zh-Hans","source_revision":"b1b500221dbe5437cfca004d6b04d3f6e422765d","version":"18"},"zh_from":"same-version-manual"},"ManualEvidence":{"doc":{"anchor":"FUNCTIONS-MATH-HYP-TABLE","file":"functions-math.html","sha256":"80bdcd3a2c7112aadf400e832cc7c8ee55e389d9b3c12e767c3fbb2b3364ef7b","slug":"18"}},"MeasuredEvidence":{}},"Text":{"Collection":"func","Key":"tanh","SourceDatabase":"center","Version":"18","Locale":"en","Title":"tanh","Summary":"Hyperbolic tangent","BodyHTML":"Hyperbolic tangent","SourceRevision":"wiki-repair-20261023:aeedc07fd0514a0e1662c3d211487a78b32c42e02353792baab181c9b6243af2","ContentHash":"f75de68283fdf2ea26aa02939580c476399a85b4e35eb403a23ce0f322350fc3","Payload":{"description":"Hyperbolic tangent","description_html":"Hyperbolic tangent","signatures":[{"description":"Hyperbolic tangent","description_html":"Hyperbolic tangent","description_zh":"双曲正切","description_zh_html":"双曲正切","examples":[{"expr":"tanh(1)","result":"0.7615941559557649"}],"html":"\u003ccode class=\"function\"\u003etanh\u003c/code\u003e ( \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003edouble precision\u003c/code\u003e","returns":"double precision","text":"tanh ( double precision ) → double precision","zh_from":"same-version-manual"}]}},"RequestedLocale":"en","Fallback":false,"Versions":["12","13","14","15","16","17","18","19","20"],"Locales":["en","zh-Hans"],"Signatures":[{"Version":"18","Ordinal":0,"Hash":"ae3412777d1e3a17761b1b449ba93279e429c3094a57e8d55cc3dfc0dcd0b7eb","Text":"tanh ( double precision ) → double precision","Returns":"double precision","Payload":{"description":"Hyperbolic tangent","description_html":"Hyperbolic tangent","description_zh":"双曲正切","description_zh_html":"双曲正切","examples":[{"expr":"tanh(1)","result":"0.7615941559557649"}],"html":"\u003ccode class=\"function\"\u003etanh\u003c/code\u003e ( \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003edouble precision\u003c/code\u003e","returns":"double precision","text":"tanh ( double precision ) → double precision","zh_from":"same-version-manual"}}],"Spellings":null,"SQLState":null,"Evidence":null}
