From dbf671238a53a224c42ffee107913b8718eab1d7 Mon Sep 17 00:00:00 2001
From: Cong <congwang_chem@pku.edu.cn>
Date: Wed, 12 Feb 2020 16:48:20 +0800
Subject: [PATCH] Correct the answer of question 9

---
 source/exercises100.ktx | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/source/exercises100.ktx b/source/exercises100.ktx
index dd7fd99d..d4824607 100644
--- a/source/exercises100.ktx
+++ b/source/exercises100.ktx
@@ -85,8 +85,9 @@ Create a 3x3 matrix with values ranging from 0 to 8 (★☆☆)
 hint: reshape
 
 < a9
-nz = np.nonzero([1,2,0,0,4,0])
-print(nz)
+Z = np.arange(9)
+Z = Z.reshape(3, 3)
+print(Z)
 
 < q10
 Find indices of non-zero elements from [1,2,0,0,4,0] (★☆☆)