From b6883730c0d2c685fe3b5b7c482cbfcf2e79822f Mon Sep 17 00:00:00 2001 From: Oscar Dowson Date: Thu, 4 Mar 2021 16:08:15 +1300 Subject: [PATCH] [docs] Clarify warning in Nonlinear Modeling (#2518) --- docs/src/manual/nlp.md | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/docs/src/manual/nlp.md b/docs/src/manual/nlp.md index 768cade81cf..c28df08ec0b 100644 --- a/docs/src/manual/nlp.md +++ b/docs/src/manual/nlp.md @@ -407,7 +407,8 @@ Hessian information is not supported for multivariate functions. ### Register a function, gradient, and hessian !!! warning - This feature is only available for univariate functions. + The ability to explicitly register a hessian is only available for + univariate functions. Instead of automatically differentiating the hessian, you can instead pass a function which returns a number representing the second-order derivative.