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Tweak Ex 31 in the notebook too

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Evgeni Burovski
2016-10-29 19:33:21 +03:00
parent 4cb1d8cd76
commit 8cbaacc259
1 changed files with 17 additions and 11 deletions
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100 Numpy exercises.ipynb
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@@ -477,8 +477,8 @@
"outputs": [], "outputs": [],
"source": [ "source": [
"Z = np.dot(np.ones((5,3)), np.ones((3,2)))\n", "Z = np.dot(np.ones((5,3)), np.ones((3,2)))\n",
"print(Z)", "print(Z)\n",
"\n\n", "\n",
"# Alternative solution, in Python 3.5 and above\n", "# Alternative solution, in Python 3.5 and above\n",
"Z = np.ones((5,3)) @ np.ones((3,2))" "Z = np.ones((5,3)) @ np.ones((3,2))"
] ]
@@ -628,10 +628,16 @@
"source": [ "source": [
"# Suicide mode on\n", "# Suicide mode on\n",
"defaults = np.seterr(all=\"ignore\")\n", "defaults = np.seterr(all=\"ignore\")\n",
"Z = np.ones(1)/0\n", "Z = np.ones(1) / 0\n",
"\n", "\n",
"# Back to sanity\n", "# Back to sanity\n",
"_ = np.seterr(**defaults)" "_ = np.seterr(**defaults)\n",
"\n",
"An equivalent way, with a context manager:\n",
"\n",
"```python\n",
"with np.errstate(divide='ignore'):\n",
" Z = np.ones(1) / 0"
] ]
}, },
{ {
@@ -2334,7 +2340,7 @@
"name": "python", "name": "python",
"nbconvert_exporter": "python", "nbconvert_exporter": "python",
"pygments_lexer": "ipython3", "pygments_lexer": "ipython3",
"version": "3.5.2" "version": "3.5.1"
} }
}, },
"nbformat": 4, "nbformat": 4,