{"author_url":"https://blog.hatena.ne.jp/coffee_kabu/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcoffee-guhaw.hateblo.jp%2Fentry%2F2025%2F10%2F01%2F180000\" title=\"loadtxt\u3067csv\u304b\u3089\u6307\u5b9a\u3057\u305f\u5217\u306e\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3080\u3010python3, numpy, matplotlib\u3011 - Bus error\u3068Segmentation fault\u306b\u56f0\u3063\u305f\u3089\u898b\u308b\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["matplotlib","\u8ad6\u6587","python","numpy"],"provider_name":"Hatena Blog","provider_url":"https://hatena.blog","type":"rich","blog_title":"Bus error\u3068Segmentation fault\u306b\u56f0\u3063\u305f\u3089\u898b\u308b\u30d6\u30ed\u30b0","height":"190","title":"loadtxt\u3067csv\u304b\u3089\u6307\u5b9a\u3057\u305f\u5217\u306e\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3080\u3010python3, numpy, matplotlib\u3011","blog_url":"https://coffee-guhaw.hateblo.jp/","published":"2025-10-01 18:00:00","width":"100%","description":"\u904e\u53bb\u8a18\u4e8b coffee-guhaw.hateblo.jp loadtxt\u3067csv\u304b\u3089\u6307\u5b9a\u3057\u305f\u5217\u306e\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3080 \u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9 import numpy as np fname=\"hoge.csv\" a = np.loadtxt(fname, delimiter=\",\", dtype=\"unicode\", skiprows=1, usecols=[0, 3, 4]) \u8aac\u660e \u4eca\u56de\u306f\u3001\u3044\u3064\u3082\u3084\u3063\u3066\u308b unpack=True \u3092\u4f7f\u308f\u306a\u304b\u3063\u305f delimiter=\",\", \u306fcsv\u306a\u306e\u3067\u5fc5\u8981 dtype=\"unicode\"\u306f\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3093\u3060\u5f8c\u306e\u578b\u306e\u8a71\u3001\u3053\u3053\u3092str\u3068\u304bfloat\u3068\u304bint\u3067\u3082OK \u2026","version":"1.0","author_name":"coffee_kabu","url":"https://coffee-guhaw.hateblo.jp/entry/2025/10/01/180000","image_url":"https://cdn.image.st-hatena.com/image/square/23ff597bd045490499b097f036afb3ec0665a0d5/backend=imagemagick;height=80;version=1;width=80/https%3A%2F%2Fcdn.user.blog.st-hatena.com%2Fcircle_image%2F88409737%2F1514352962196085"}