{"id":136400,"date":"2024-09-23T14:23:28","date_gmt":"2024-09-23T08:53:28","guid":{"rendered":"https:\/\/www.vskills.in\/certification\/tutorial\/?page_id=136400"},"modified":"2024-09-23T14:23:28","modified_gmt":"2024-09-23T08:53:28","slug":"shape-manipulation-and-sorting","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/shape-manipulation-and-sorting\/","title":{"rendered":"Shape Manipulation and Sorting"},"content":{"rendered":"\n<p>NumPy provides powerful tools for reshaping, transposing, and sorting arrays, allowing you to manipulate data structures to fit your specific needs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Reshaping Arrays<\/strong><\/h3>\n\n\n\n<p><strong>Reshaping:<\/strong> Changing the shape of an array while preserving its elements.<\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\narr = np.array(&#91;1, 2, 3, 4, 5, 6])\n\n# Reshape into a 2x3 matrix\nreshaped = arr.reshape(2, 3)<\/code><\/pre>\n\n\n\n<p><strong>Flattening:<\/strong> Converting a multidimensional array into a 1D array.<\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>flattened = arr.flatten()<\/code><\/pre>\n\n\n\n<p><strong>Resizing:<\/strong> Changing the size of an array, potentially adding or removing elements.<\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>resized = np.resize(arr, (4, 2))<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Transposing Arrays<\/strong><\/h3>\n\n\n\n<p><strong>Transposing:<\/strong> Swapping the dimensions of an array.<\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>arr2d = np.array(&#91;&#91;1, 2], &#91;3, 4]])\n\ntransposed = arr2d.T<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Sorting Arrays<\/strong><\/h3>\n\n\n\n<p><strong>Sorting along an Axis:<\/strong> Sorting the elements of an array along a specified axis.<\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sorted_arr = np.sort(arr)  # Sort along the default axis (0)\n\n# Sort along the first axis (rows)\nsorted_arr = np.sort(arr2d, axis=0)<\/code><\/pre>\n\n\n\n<p><strong>Sorting in Place:<\/strong> Modifying the original array in-place.<\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>arr.sort()<\/code><\/pre>\n\n\n\n<p><strong>Custom Sorting:<\/strong> Sorting using a custom comparison function.<\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>def my_compare(x, y):\n    return x - y\n\nsorted_arr = np.sort(arr, kind='mergesort', order=my_compare)<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Advanced Shape Manipulation<\/strong><\/h3>\n\n\n\n<p><strong>Stacking:<\/strong> Combining multiple arrays along a new axis.<\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>stacked = np.vstack((arr1, arr2))  # Vertical stacking\nstacked = np.hstack((arr1, arr2))  # Horizontal stacking<\/code><\/pre>\n\n\n\n<p><strong>Concatenation:<\/strong> Joining arrays along an existing axis.<\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>concatenated = np.concatenate((arr1, arr2), axis=0)<\/code><\/pre>\n\n\n\n<p><strong>Splitting:<\/strong> Dividing an array into multiple subarrays along an axis.<\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>split = np.split(arr, 2)<\/code><\/pre>\n\n\n\n<p>By mastering shape manipulation and sorting techniques, you can effectively reshape, transpose, and sort NumPy arrays to suit your data analysis needs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NumPy provides powerful tools for reshaping, transposing, and sorting arrays, allowing you to manipulate data structures to fit your specific needs. Reshaping Arrays Reshaping: Changing the shape of an array while preserving its elements. Python Flattening: Converting a multidimensional array into a 1D array. Python Resizing: Changing the size of an array, potentially adding or&#8230;<\/p>\n","protected":false},"author":16,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-136400","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Shape Manipulation and Sorting - Tutorial<\/title>\n<meta name=\"description\" content=\"Learn about shape manipulation and sorting in NumPy, enhancing data organization and accessibility for analysis.\" \/>\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.vskills.in\/certification\/tutorial\/shape-manipulation-and-sorting\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Shape Manipulation and Sorting - 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