From 604ed6da4f052021250760766bc10673122fd630 Mon Sep 17 00:00:00 2001
From: Chihiro Watanabe <chihiro.watanabe.econ@gmail.com>
Date: Sat, 25 Jul 2026 21:57:48 +0900
Subject: [PATCH] Update rng usage in eig_circulant.md

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Rs2tDEcDXLnfMnM88v8e1D
---
 lectures/eig_circulant.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lectures/eig_circulant.md b/lectures/eig_circulant.md
index f0d021530..9225f8594 100644
--- a/lectures/eig_circulant.md
+++ b/lectures/eig_circulant.md
@@ -380,7 +380,8 @@ and that every eigenvector of $P$ is also an eigenvector of $C$.
 We illustrate this for $N=8$ case.
 
 ```{code-cell} ipython3
-c = np.random.random(8)
+rng = np.random.default_rng()
+c = rng.random(8)
 ```
 
 ```{code-cell} ipython3