From ddca736c7bd3f2cf2f0eaae9925fbb4a3d6a7cc7 Mon Sep 17 00:00:00 2001
From: Gerry Chen <gerry.chen2015@gmail.com>
Date: Tue, 8 Mar 2022 10:13:48 -0500
Subject: [PATCH] add comment about matlab not having iteration hook

---
 gtsam/nonlinear/nonlinear.i | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gtsam/nonlinear/nonlinear.i b/gtsam/nonlinear/nonlinear.i
index 7d2911374..e227de37c 100644
--- a/gtsam/nonlinear/nonlinear.i
+++ b/gtsam/nonlinear/nonlinear.i
@@ -404,6 +404,7 @@ virtual class NonlinearOptimizerParams {
   bool isCholmod() const;
   bool isIterative() const;
 
+  // This only applies to python since matlab does not have lambda machinery.
   gtsam::NonlinearOptimizerParams::IterationHook iterationHook;
 };