From c72d1f55bc678ea5fa94936ccb4fc7a78599707e Mon Sep 17 00:00:00 2001
From: Repo Updater <noreply@mpcdf.mpg.de>
Date: Mon, 14 Nov 2022 11:58:35 +0100
Subject: [PATCH] 502976b3 update CI cloud image

---
 notebooks/2a--NumPy.ipynb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/notebooks/2a--NumPy.ipynb b/notebooks/2a--NumPy.ipynb
index b5ebb9d..f28c3c0 100644
--- a/notebooks/2a--NumPy.ipynb
+++ b/notebooks/2a--NumPy.ipynb
@@ -1144,10 +1144,11 @@
     "det = linalg.det(A)             # determinant\n",
     "P = linalg.pinv(A)              # pseudoinverse (accepts rectangular matrices)\n",
     "\n",
-    "# Further sparse matrices creation\n",
+    "# Further sparse matrix operations\n",
     "A = sparse.random(N, N, density=0.01, format='csr')\n",
     "B = sparse.random(N, N, density=0.01, format='csr')\n",
-    "C, D = sparse.diags(np.arange(4), 1), sparse.kron(B, A)\n",
+    "C = sparse.diags(np.arange(4), 1)\n",
+    "D = sparse.kron(B, A)               # kronecker product of matrices\n",
     "ev, evec = splinalg.eigs(A, 2)      # 2 largest eigenvalues\n",
     "u, s, vh = sparse.linalg.svds(A, 2) # 2 largest singular values"
    ]
-- 
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