{"id":126738,"date":"2024-03-24T23:35:32","date_gmt":"2024-03-24T14:35:32","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/matlab%e3%81%a7griddata%e9%96%a2%e6%95%b0%e3%82%92%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e4%bd%bf%e7%94%a8%e3%81%99%e3%82%8b%e3%81%8b\/"},"modified":"2024-03-26T19:40:17","modified_gmt":"2024-03-26T10:40:17","slug":"matlab%e3%81%a7griddata%e9%96%a2%e6%95%b0%e3%82%92%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e4%bd%bf%e7%94%a8%e3%81%99%e3%82%8b%e3%81%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/matlab%e3%81%a7griddata%e9%96%a2%e6%95%b0%e3%82%92%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e4%bd%bf%e7%94%a8%e3%81%99%e3%82%8b%e3%81%8b\/","title":{"rendered":"MATLAB\u3067griddata\u95a2\u6570\u3092\u3069\u306e\u3088\u3046\u306b\u4f7f\u7528\u3059\u308b\u304b"},"content":{"rendered":"<p>\u30b0\u30ea\u30c3\u30c9\u30c7\u30fc\u30bf\u95a2\u6570\u306f\u4e0d\u898f\u5247\u30b0\u30ea\u30c3\u30c9\u4e0a\u306e\u88dc\u5b8c\u306b\u4f7f\u7528\u3055\u308c\u3001\u65e2\u77e5\u306e\u30c7\u30fc\u30bf\u70b9\u306e\u5ea7\u6a19\u3068\u5024\u306b\u57fa\u3065\u3044\u3066\u3001\u5bfe\u5fdc\u3059\u308b\u30b0\u30ea\u30c3\u30c9\u70b9\u306e\u5024\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>griddata \u306e\u57fa\u672c\u6587\u6cd5\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<p>Vq = griddata(X, Y, V, Xq, Yq)<\/p>\n<p>\u65e2\u77e5\u306e\u30c7\u30fc\u30bf\u70b9\u306e\u5ea7\u6a19\u306fX\u3068Y\u3001 \u5bfe\u5fdc\u3059\u308b\u30c7\u30fc\u30bf\u70b9\u306e\u5024\u306fV\u3001 \u6c42\u3081\u308b\u30b0\u30ea\u30c3\u30c9\u30dd\u30a4\u30f3\u30c8\u306e\u5ea7\u6a19\u306fXq\u3068Yq\u3067\u3059\u3002<\/p>\n<p>\u4e0b\u8a18\u306e\u3088\u3046\u306b\u30b3\u30fc\u30c9\u30b5\u30f3\u30d7\u30eb\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\">% \u521b\u5efa\u4e00\u4e9b\u793a\u4f8b\u6570\u636e<\/span>\r\n[X, Y] = <span class=\"hljs-built_in\">meshgrid<\/span>(<span class=\"hljs-number\">-2<\/span>:<span class=\"hljs-number\">0.2<\/span>:<span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">-2<\/span>:<span class=\"hljs-number\">0.2<\/span>:<span class=\"hljs-number\">2<\/span>);\r\nZ = X .* <span class=\"hljs-built_in\">exp<\/span>(-X.^<span class=\"hljs-number\">2<\/span> - Y.^<span class=\"hljs-number\">2<\/span>);\r\n<span class=\"hljs-comment\">% \u751f\u6210\u975e\u89c4\u5219\u7f51\u683c\u70b9\u5750\u6807<\/span>\r\nxq = <span class=\"hljs-built_in\">rand<\/span>(<span class=\"hljs-number\">100<\/span>, <span class=\"hljs-number\">1<\/span>) * <span class=\"hljs-number\">4<\/span> - <span class=\"hljs-number\">2<\/span>;\r\nyq = <span class=\"hljs-built_in\">rand<\/span>(<span class=\"hljs-number\">100<\/span>, <span class=\"hljs-number\">1<\/span>) * <span class=\"hljs-number\">4<\/span> - <span class=\"hljs-number\">2<\/span>;\r\n<span class=\"hljs-comment\">% \u4f7f\u7528griddata\u8fdb\u884c\u63d2\u503c<\/span>\r\nzq = griddata(X(:), Y(:), Z(:), xq, yq);\r\n<span class=\"hljs-comment\">% \u7ed8\u5236\u7ed3\u679c<\/span>\r\n<span class=\"hljs-built_in\">scatter<\/span>(xq, yq, <span class=\"hljs-number\">20<\/span>, zq, <span class=\"hljs-string\">'filled'<\/span>);\r\ncolorbar;\r\n<\/code><\/pre>\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u306f2\u6b21\u5143\u30ac\u30a6\u30b9\u5206\u5e03\u306e\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3057\u3001100\u500b\u306e\u30b0\u30ea\u30c3\u30c9\u70b9\u3092\u30e9\u30f3\u30c0\u30e0\u306b\u9078\u629e\u3057\u3066\u5185\u633f\u3092\u884c\u3044\u3001\u7d50\u679c\u3092\u63cf\u753b\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30b0\u30ea\u30c3\u30c9\u30c7\u30fc\u30bf\u95a2\u6570\u306f\u4e0d\u898f\u5247\u30b0\u30ea\u30c3\u30c9\u4e0a\u306e\u88dc\u5b8c\u306b\u4f7f\u7528\u3055\u308c\u3001\u65e2\u77e5\u306e\u30c7\u30fc\u30bf\u70b9\u306e\u5ea7\u6a19\u3068\u5024\u306b\u57fa\u3065\u3044\u3066\u3001\u5bfe\u5fdc\u3059\u308b\u30b0\u30ea\u30c3\u30c9\u70b9\u306e\u5024\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002 griddata \u306e\u57fa\u672c\u6587\u6cd5\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002 Vq = griddata(X, Y,  [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-126738","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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