{"id":4443,"date":"2024-03-14T01:29:02","date_gmt":"2024-03-14T01:29:02","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-use-the-np-vstack-function-in-python\/"},"modified":"2025-07-31T08:01:32","modified_gmt":"2025-07-31T08:01:32","slug":"how-to-use-the-np-vstack-function-in-python","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-use-the-np-vstack-function-in-python\/","title":{"rendered":"How to Use np.vstack in Python"},"content":{"rendered":"<p>The np.vstack function is used to vertically stack arrays. It stacks the input arrays together along the vertical direction, returning a new array.<\/p>\n<p>Here is how to use it:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> numpy <span class=\"hljs-keyword\">as<\/span> np\r\n\r\n<span class=\"hljs-comment\"># \u521b\u5efa\u4e24\u4e2a\u6570\u7ec4<\/span>\r\narr1 = np.array([[<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">3<\/span>],\r\n                 [<span class=\"hljs-number\">4<\/span>, <span class=\"hljs-number\">5<\/span>, <span class=\"hljs-number\">6<\/span>]])\r\n\r\narr2 = np.array([[<span class=\"hljs-number\">7<\/span>, <span class=\"hljs-number\">8<\/span>, <span class=\"hljs-number\">9<\/span>],\r\n                 [<span class=\"hljs-number\">10<\/span>, <span class=\"hljs-number\">11<\/span>, <span class=\"hljs-number\">12<\/span>]])\r\n\r\n<span class=\"hljs-comment\"># \u4f7f\u7528np.vstack\u51fd\u6570\u5782\u76f4\u5806\u53e0\u8fd9\u4e24\u4e2a\u6570\u7ec4<\/span>\r\nresult = np.vstack((arr1, arr2))\r\n\r\n<span class=\"hljs-built_in\">print<\/span>(result)\r\n<\/code><\/pre>\n<p>The result of the operation is:<\/p>\n<pre class=\"post-pre\"><code>[[ 1  2  3]\r\n [ 4  5  6]\r\n [ 7  8  9]\r\n [10 11 12]]\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>The np.vstack function is used to vertically stack arrays. It stacks the input arrays together along the vertical direction, returning a new array. Here is how to use it: import numpy as np # \u521b\u5efa\u4e24\u4e2a\u6570\u7ec4 arr1 = np.array([[1, 2, 3], [4, 5, 6]]) arr2 = np.array([[7, 8, 9], [10, 11, 12]]) # \u4f7f\u7528np.vstack\u51fd\u6570\u5782\u76f4\u5806\u53e0\u8fd9\u4e24\u4e2a\u6570\u7ec4 result = [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[3944,410,3943,73,72],"class_list":["post-4443","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-array-stacking","tag-data-manipulation","tag-np-vstack","tag-numpy","tag-python"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Use np.vstack in Python - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to use np.vstack in Python to vertically stack NumPy arrays with clear examples and code snippets.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/how-to-use-the-np-vstack-function-in-python\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Use np.vstack in Python\" \/>\n<meta property=\"og:description\" content=\"Learn how to use np.vstack in Python to vertically stack NumPy arrays with clear examples and code snippets.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-use-the-np-vstack-function-in-python\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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