{"id":4166,"date":"2023-07-13T03:49:35","date_gmt":"2023-07-13T03:49:35","guid":{"rendered":"https:\/\/statorials.org\/pl\/numpy-zamien-wartosc-ujemna-na-zero\/"},"modified":"2023-07-13T03:49:35","modified_gmt":"2023-07-13T03:49:35","slug":"numpy-zamien-wartosc-ujemna-na-zero","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/numpy-zamien-wartosc-ujemna-na-zero\/","title":{"rendered":"Jak zamieni\u0107 warto\u015bci ujemne na zero w numpy"},"content":{"rendered":"

<\/p>\n

\n

Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej podstawowej sk\u0142adni, aby zast\u0105pi\u0107 warto\u015bci ujemne zerem w NumPy:<\/span><\/p>\n

 my_array[my_array <<\/span> 0<\/span> ] = 0\n<\/span><\/strong><\/pre>\n
 Ta sk\u0142adnia dzia\u0142a z tablicami NumPy 1D i 2D.<\/span><\/p>\n
 Poni\u017csze przyk\u0142ady pokazuj\u0105, jak u\u017cywa\u0107 tej sk\u0142adni w praktyce.<\/span><\/p>\n
 Przyk\u0142ad 1: Zamie\u0144 warto\u015bci ujemne na zero w tablicy 1D NumPy<\/strong><\/span><\/h2>\n
 Poni\u017cszy kod pokazuje, jak zamieni\u0107 wszystkie warto\u015bci ujemne na zero w tablicy NumPy:<\/span><\/p>\n
 import<\/span> numpy as<\/span> np\n\n#create 1D NumPy array\nmy_array = np. array<\/span> ([4, -1, 6, -3, 10, 11, -14, 19, 0])\n<\/span>\n#replace negative values with zero in array\nmy_array[my_array <<\/span> 0<\/span> ] = 0\n\n<\/span><\/span>#view updated array\nprint<\/span> (my_array)\n\n[4 0 6 0 10 11 0 19 0]\n<\/span><\/span><\/strong><\/span><\/pre>\n
 Nale\u017cy zauwa\u017cy\u0107, \u017ce ka\u017cda warto\u015b\u0107 ujemna w oryginalnej tablicy zosta\u0142a zast\u0105piona zerem.<\/span><\/p>\n
 Przyk\u0142ad 2: Zamie\u0144 warto\u015bci ujemne na zero w tablicy 2D NumPy<\/strong><\/span><\/h2>\n
 Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105c\u0105 tablic\u0119 2D NumPy:<\/span><\/p>\n
 import<\/span> numpy as<\/span> np\n\n#create 2D NumPy array\nmy_array = np. array<\/span> ([3, -5, 6, 7, -1, 0, -5, 9, 4, 3, -5, 1]). reshape<\/span> (4.3)\n<\/span>\n#view 2D NumPy array\nprint<\/span> (my_array)\n\n[[ 3 -5 6]\n [ 7 -1 0]\n [-5 9 4]\n [3 -5 1]]\n<\/span><\/span><\/strong><\/span><\/pre>\n
 Za pomoc\u0105 poni\u017cszego kodu mo\u017cemy zast\u0105pi\u0107 wszystkie warto\u015bci ujemne zerem w tablicy NumPy:<\/span><\/p>\n
 #replace all negative values with zero in 2D array\n<\/span>my_array[my_array <<\/span> 0<\/span> ] = 0<\/span>\n<\/span>\n#view updated array\n<\/span>print<\/span> (my_array)\n\n[[3 0 6]\n [7 0 0]\n [0 9 4]\n [3 0 1]]<\/strong><\/span><\/pre>\n
 Nale\u017cy pami\u0119ta\u0107, \u017ce wszystkie warto\u015bci ujemne w oryginalnej tablicy 2D zosta\u0142y zast\u0105pione zerem.<\/span><\/p>\n
 Dodatkowe zasoby<\/strong><\/span><\/h2>\n
 Poni\u017csze samouczki wyja\u015bniaj\u0105, jak wykonywa\u0107 inne typowe zadania w NumPy:<\/span><\/p>\n
 Jak wype\u0142ni\u0107 tablic\u0119 NumPy warto\u015bciami<\/a>
 Jak usun\u0105\u0107 okre\u015blone elementy z tablicy NumPy<\/a>
 Jak zamieni\u0107 elementy w tablicy NumPy<\/a>
 Jak uzyska\u0107 okre\u015blony wiersz z tablicy NumPy<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej podstawowej sk\u0142adni, aby zast\u0105pi\u0107 warto\u015bci ujemne zerem w NumPy: my_array[my_array < 0 ] = 0 Ta sk\u0142adnia dzia\u0142a z tablicami NumPy 1D i 2D. Poni\u017csze przyk\u0142ady pokazuj\u0105, jak u\u017cywa\u0107 tej sk\u0142adni w praktyce. Przyk\u0142ad 1: Zamie\u0144 warto\u015bci ujemne na zero w tablicy 1D NumPy Poni\u017cszy kod pokazuje, jak zamieni\u0107 wszystkie warto\u015bci ujemne […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-4166","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"\nJak zamieni\u0107 warto\u015bci ujemne na zero w NumPy \u2013 Statologia<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono na przyk\u0142adzie, jak zast\u0105pi\u0107 warto\u015bci ujemne zerem w tablicy NumPy.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/pl\/numpy-zamien-wartosc-ujemna-na-zero\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak zamieni\u0107 warto\u015bci ujemne na zero w NumPy \u2013 Statologia\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono na przyk\u0142adzie, jak zast\u0105pi\u0107 warto\u015bci ujemne zerem w tablicy NumPy.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/numpy-zamien-wartosc-ujemna-na-zero\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-13T03:49:35+00:00\" \/>\n<meta name=\"author\" content=\"Benjamin Anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napisane przez\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin Anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Szacowany czas czytania\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minuta\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pl\/numpy-zamien-wartosc-ujemna-na-zero\/\",\"url\":\"https:\/\/statorials.org\/pl\/numpy-zamien-wartosc-ujemna-na-zero\/\",\"name\":\"Jak zamieni\u0107 warto\u015bci ujemne na zero w NumPy \u2013 Statologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-13T03:49:35+00:00\",\"dateModified\":\"2023-07-13T03:49:35+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono na przyk\u0142adzie, jak zast\u0105pi\u0107 warto\u015bci ujemne zerem w tablicy NumPy.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/numpy-zamien-wartosc-ujemna-na-zero\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/numpy-zamien-wartosc-ujemna-na-zero\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/numpy-zamien-wartosc-ujemna-na-zero\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak zamieni\u0107 warto\u015bci ujemne na zero w numpy\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pl\/#website\",\"url\":\"https:\/\/statorials.org\/pl\/\",\"name\":\"Statorials\",\"description\":\"Tw\u00f3j przewodnik po kompetencjach statystycznych!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pl\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pl-PL\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\",\"name\":\"Benjamin Anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pl-PL\",\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg\",\"caption\":\"Benjamin Anderson\"},\"description\":\"Cze\u015b\u0107, jestem Benjamin i jestem emerytowanym profesorem statystyki, kt\u00f3ry zosta\u0142 oddanym nauczycielem Statorials. 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