{"type":"rich","author_name":"tercel_s","version":"1.0","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/t/tercel_s/20230114/20230114235043.jpg","title":"\u30e9\u30b0\u30e9\u30f3\u30b8\u30e5\u306e\u672a\u5b9a\u4e57\u6570\u6cd5","provider_url":"https://hatena.blog","width":"100%","blog_url":"https://tercel-s.hatenadiary.com/","url":"https://tercel-s.hatenadiary.com/entry/2023/01/15/001203","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftercel-s.hatenadiary.com%2Fentry%2F2023%2F01%2F15%2F001203\" title=\"\u30e9\u30b0\u30e9\u30f3\u30b8\u30e5\u306e\u672a\u5b9a\u4e57\u6570\u6cd5 - \u3068\u3081\u308b\u3051\u308b\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"100\u65e5\u5f8c\u306b\u6570\u5b66\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u50d5\u3002 \u5236\u7d04\u6761\u4ef6\u3068\u7b49\u9ad8\u7dda\u306e\u30b0\u30e9\u30d5 import matplotlib.pyplot as plt import numpy as np x = np.arange(-1, 1, 0.01) y = np.arange(-1, 1, 0.01) X, Y = np.meshgrid(x, y) Z = 2 * X ** 2 + 3 * Y ** 2 plt.contourf(X, Y, Z, levels=20, cmap='gray') plt.colorbar() plt.plot(x, 1 - x, color='red', label='x + y = 1\u2026","author_url":"https://blog.hatena.ne.jp/tercel_s/","height":"190","categories":[],"provider_name":"Hatena Blog","published":"2023-01-15 00:12:03","blog_title":"\u3068\u3081\u308b\u3051\u308b"}