{"id":88744,"date":"2024-03-21T10:13:00","date_gmt":"2024-03-21T01:13:00","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/matlab%e3%81%aeroots%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%af%ef%bc%9f\/"},"modified":"2024-04-05T00:47:08","modified_gmt":"2024-04-04T15:47:08","slug":"matlab%e3%81%aeroots%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/matlab%e3%81%aeroots%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%af%ef%bc%9f\/","title":{"rendered":"MATLAB\u306eroots\u95a2\u6570\u306e\u4f7f\u3044\u65b9\u306f\uff1f"},"content":{"rendered":"

MATLAB\u306eroots\u95a2\u6570\u306f\u591a\u9805\u5f0f\u306e\u6839\u3092\u8a08\u7b97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u4f7f\u7528\u65b9\u6cd5\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n

    \n
  1. \u591a\u9805\u5f0f\u306e\u4fc2\u6570\u30d9\u30af\u30c8\u30eb\u3084\u591a\u9805\u5f0f\u306e\u4fc2\u6570\u884c\u5217\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff08\u4f8b\uff1a<\/li>\n
  2. 1\u6b21\u591a\u9805\u5f0f: [1, -3, 2] \u306f x^2 – 3x + 2 \u3092\u8868\u3057\u307e\u3059 (\u4fc2\u6570\u306f\u964d\u9806\u306b\u4e26\u3093\u3067\u3044\u307e\u3059)\u3002<\/li>\n
  3. \u884c\u5217\u306e\u4fc2\u6570\u3067\u8868\u3055\u308c\u305f\u4fc2\u6570\u30d9\u30af\u30c8\u30eb\uff08\u4f8b\u3048\u3070\u3001[1, -3, 2; 0, 5, -1]\u306f x^2 – 3x + 2 \u3068 5y – z \u3092\u8868\u3059\uff09\u3092\u3001\u591a\u5909\u6570\u591a\u9805\u5f0f\u306b\u5165\u529b\u3057\u307e\u3059\u3002<\/li>\n
  4. roots\u95a2\u6570\u3092\u7528\u3044\u3066\u591a\u9805\u5f0f\u306e\u6839\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001<\/li>\n
  5. \u4e00\u5909\u6570\u591a\u9805\u5f0f\u306e\u5834\u5408\u306f\u3001roots ([1, -3, 2]) \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n
  6. \u6b21\u6570\u306e\u591a\u3044\u591a\u9805\u5f0f\u306e\u5834\u5408: roots([1, -3, 2; 0, 5, -1]) \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n
  7. roots\u95a2\u6570\u306f\u3001\u591a\u9805\u5f0f\u306e\u3059\u3079\u3066\u306e\u6839\u3092\u542b\u3080\u5217\u30d9\u30af\u30c8\u30eb\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n

    \u4ee5\u4e0b\u306b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n

    % \u4e00\u5143\u591a\u9879\u5f0f\u7684\u4f8b\u5b50<\/span>\r\ncoefficients = [1<\/span>, -3<\/span>, 2<\/span>]; % \u591a\u9879\u5f0f\u7684\u7cfb\u6570\u5411\u91cf<\/span>\r\nroots(coefficients) % \u8ba1\u7b97\u591a\u9879\u5f0f\u7684\u6839<\/span>\r\n\r\n% \u591a\u5143\u591a\u9879\u5f0f\u7684\u4f8b\u5b50<\/span>\r\ncoefficients = [1<\/span>, -3<\/span>, 2<\/span>; 0<\/span>, 5<\/span>, -1<\/span>]; % \u591a\u9879\u5f0f\u7684\u7cfb\u6570\u77e9\u9635<\/span>\r\nroots(coefficients) % \u8ba1\u7b97\u591a\u9879\u5f0f\u7684\u6839<\/span>\r\n<\/code><\/pre>\n
    \u63d0\u793a\u3055\u308c\u305f\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u3001roots(coefficients) \u95a2\u6570\u306f\u591a\u9805\u5f0f\u306e\u6839\u3092\u8a08\u7b97\u3057\u3001\u3059\u3079\u3066\u306e\u6839\u3092\u542b\u3080\u5217\u30d9\u30af\u30c8\u30eb\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    MATLAB\u306eroots\u95a2\u6570\u306f\u591a\u9805\u5f0f\u306e\u6839\u3092\u8a08\u7b97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u4f7f\u7528\u65b9\u6cd5\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002 \u591a\u9805\u5f0f\u306e\u4fc2\u6570\u30d9\u30af\u30c8\u30eb\u3084\u591a\u9805\u5f0f\u306e\u4fc2\u6570\u884c\u5217\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff08\u4f8b\uff1a 1\u6b21\u591a\u9805\u5f0f: [1, -3, 2] \u306f x^2 &#8211 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-88744","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nMATLAB\u306eroots\u95a2\u6570\u306e\u4f7f\u3044\u65b9\u306f\uff1f - Blog - Silicon Cloud<\/title>\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\/ja\/blog\/matlab\u306eroots\u95a2\u6570\u306e\u4f7f\u3044\u65b9\u306f\uff1f\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MATLAB\u306eroots\u95a2\u6570\u306e\u4f7f\u3044\u65b9\u306f\uff1f\" \/>\n<meta property=\"og:description\" content=\"MATLAB\u306eroots\u95a2\u6570\u306f\u591a\u9805\u5f0f\u306e\u6839\u3092\u8a08\u7b97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u4f7f\u7528\u65b9\u6cd5\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002 \u591a\u9805\u5f0f\u306e\u4fc2\u6570\u30d9\u30af\u30c8\u30eb\u3084\u591a\u9805\u5f0f\u306e\u4fc2\u6570\u884c\u5217\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff08\u4f8b\uff1a 1\u6b21\u591a\u9805\u5f0f: [1, -3, 2] \u306f x^2 &#8211 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/matlab\u306eroots\u95a2\u6570\u306e\u4f7f\u3044\u65b9\u306f\uff1f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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