{"id":12178,"date":"2024-07-18T09:21:24","date_gmt":"2024-07-18T00:21:24","guid":{"rendered":"http:\/\/pineplanter.moo.jp\/non-it-salaryman\/?p=12178"},"modified":"2024-07-18T09:21:24","modified_gmt":"2024-07-18T00:21:24","slug":"py-dtype","status":"publish","type":"post","link":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/2024\/07\/18\/py-dtype\/","title":{"rendered":"\u3010Python\u3011Numpy\u914d\u5217\u306b\u30c7\u30fc\u30bf\u578b\u3092\u6307\u5b9a\u3059\u308b"},"content":{"rendered":"

Python\u306eNumpy\u306f\u4f55\u3082\u6307\u5b9a\u3057\u306a\u3051\u308c\u3070int64\u578b\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u521d\u671f\u5316\u306e\u969b\u306b\u3042\u3048\u3066\u578b\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\nimport numpy as np\n\na1=np.arange(5)\nprint(a1)\nprint(a1.dtype)\n\n<h1>[0 1 2 3 4]<\/h1>\n\n<h1>int64<\/h1>\n\na2=np.arange(5,dtype='int16')\n\n<h1>a2=np.array([0, 1, 2, 3, 4],dtype='int16') #\u3053\u308c\u3067\u3082OK<\/h1>\n\nprint(a2)\nprint(a2.dtype)\n\n<h1>[0 1 2 3 4]<\/h1>\n\n<h1>int16<\/h1>\n\na3=np.arange(5,dtype='float')\nprint(a3)\nprint(a3.dtype)\n\n<h1>[0. 1. 2. 3. 4.]<\/h1>\n\n<h1>float64<\/h1>\n\na4=np.array([0, 1, 2, 3, 4],dtype='unicode') #arange\u306f\u4f7f\u3048\u306a\u3044\nprint(a4)\nprint(a4.dtype)\n\n<h1>['0' '1' '2' '3' '4']<\/h1>\n\n<h1>&lt;U1<\/h1>\n\na5=np.array([0, 1, 2, 3, 4],dtype='bool') #arange\u306f\u4f7f\u3048\u306a\u3044\nprint(a5)\nprint(a5.dtype)\n\n<h1>[False  True  True  True  True]<\/h1>\n\n<h1>bool<\/h1>\n\n<\/pre>\n
 <\/p>\n
 <\/p>\n
\u4f7f\u3048\u308b\u578b\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3002<\/p>\n
\nnp.int8,        # \u7b26\u53f7\u3042\u308a  8bit \u6574\u6570 \nnp.int16,       # \u7b26\u53f7\u3042\u308a 16bit \u6574\u6570\nnp.int32,       # \u7b26\u53f7\u3042\u308a 32bit \u6574\u6570\nnp.int64,       # \u7b26\u53f7\u3042\u308a 64bit \u6574\u6570\nnp.uint8,       # \u7b26\u53f7\u306a\u3057  8bit \u6574\u6570\nnp.uint16,      # \u7b26\u53f7\u306a\u3057 16bit \u6574\u6570\nnp.uint32,      # \u7b26\u53f7\u306a\u3057 32bit \u6574\u6570\nnp.uint64,      # \u7b26\u53f7\u306a\u3057 64bit \u6574\u6570\nnp.float16,     # \u3000\u534a\u7cbe\u5ea6 \u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\nnp.float32,     # \u3000\u5358\u7cbe\u5ea6 \u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\nnp.float64,     # \u3000\u500d\u7cbe\u5ea6 \u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\nnp.float128,    # \u56db\u500d\u7cbe\u5ea6 \u6d6e\u52d5\u5c0f\u6570\u70b9\u6570 \nnp.complex64,   # \u8907\u7d20\u6570 (\u5b9f\u6570\u30fb\u865a\u6570\u304c  float32)\nnp.complex128,  # \u8907\u7d20\u6570 (\u5b9f\u6570\u30fb\u865a\u6570\u304c  float64)\nnp.complex256,  # \u8907\u7d20\u6570 (\u5b9f\u6570\u30fb\u865a\u6570\u304c float128)\nnp.bool,        # \u771f\u507d\u5024\nnp.unicode,     # Unicode\u6587\u5b57\u5217\nnp.object       # Python\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff08\u3078\u306e\u30dd\u30a4\u30f3\u30bf\uff09\n\n<\/pre>\n
 <\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
Python\u306eNumpy\u306f\u4f55\u3082\u6307\u5b9a\u3057\u306a\u3051\u308c\u3070int64\u578b\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u521d\u671f\u5316\u306e\u969b … <\/p>\n","protected":false},"author":1,"featured_media":12180,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37],"tags":[],"class_list":["post-12178","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/posts\/12178","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/comments?post=12178"}],"version-history":[{"count":1,"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/posts\/12178\/revisions"}],"predecessor-version":[{"id":12179,"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/posts\/12178\/revisions\/12179"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/media\/12180"}],"wp:attachment":[{"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/media?parent=12178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/categories?post=12178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pineplanter.moo.jp\/non-it-salaryman\/wp-json\/wp\/v2\/tags?post=12178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}