{"id":197709,"date":"2020-11-03T22:30:26","date_gmt":"2020-11-03T14:30:26","guid":{"rendered":"http:\/\/4563.org\/?p=197709"},"modified":"2020-11-03T22:30:26","modified_gmt":"2020-11-03T14:30:26","slug":"%e8%af%b7%e6%95%99%e4%b8%aa%e9%97%ae%e9%a2%98%ef%bc%9a-python-%e7%9a%84-numpy-%e4%b8%ad-%e8%bf%90%e7%ae%97%e7%ac%a6%e6%80%8e%e4%b9%88%e5%ae%9e%e7%8e%b0%e7%9a%84","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=197709","title":{"rendered":"\u8bf7\u6559\u4e2a\u95ee\u9898\uff1a Python \u7684 numpy \u4e2d @ \u8fd0\u7b97\u7b26\u600e\u4e48\u5b9e\u73b0\u7684"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u8bf7\u6559\u4e2a\u95ee\u9898\uff1a Python \u7684 numpy \u4e2d @ \u8fd0\u7b97\u7b26\u600e\u4e48\u5b9e\u73b0\u7684               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : mathzhaoliang <\/span>  <span><i><\/i> 4<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>numpy \u91cc\u9762\u77e9\u9635\u4e58\u6cd5\u53ef\u4ee5\u5199\u6210 A @ B\uff0c\u4f46\u662f\u6211\u770b Python \u8bed\u6cd5\u4e2d\u6807\u51c6\u8fd0\u7b97\u7b26\u4e0d\u5305\u542b @ \u5440\uff1f\u5b83\u662f\u600e\u4e48\u5b9e\u73b0\u7684\u5462\uff1f<\/p>\n<p>\u662f\u4e0d\u662f\u53ef\u4ee5\u81ea\u5df1\u5b9a\u4e49\u8fd0\u7b97\u7b26\uff0c\u6bd4\u5982 str1 &#8212; str2 \u8868\u793a\u5c06\u4e24\u4e2a\u5b57\u7b26\u4e32 concat \u8d77\u6765\uff1f<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>5<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"4237846\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Death <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             PEP465 https:\/\/www.python.org\/dev\/peps\/pep-0465\/                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4237847\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : cigarzh <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u8c01\u8bf4 Python \u8fd0\u7b97\u7b26\u4e0d\u5305\u542b @\u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4237848\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : wwqgtxx <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u53ef\u80fd\u4f60\u770b\u7684\u662f py2 \u65f6\u4ee3\u7684\u8bed\u6cd5\u5427                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4237849\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : szuwl <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u8fd0\u7b97\u7b26\u91cd\u8f7d\u5e26\u6765\u7684\u529f\u80fd\u5457\uff0cPython \u7684\u5e95\u5c42\u5c31\u662f C\uff0c\u8fd9\u6709\u4ec0\u4e48\u597d\u7591\u60d1\u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4237850\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : lithbitren <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             https:\/\/docs.python.org\/zh-cn\/3.9\/reference\/datamodel.html?highlight=matmul#object.__matmul__<\/p>\n<p>\u6807\u51c6\u8bed\u6cd5\u91cc\u6709\u7684\uff0c\u77e9\u9635\u4e58\u6cd5\uff0c\u91cd\u8f7d\u5bf9\u8c61\u7684__matmul__\u65b9\u6cd5\u5c31\u884c                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u8bf7\u6559\u4e2a\u95ee\u9898\uff1a Python \u7684 n&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/197709"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=197709"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/197709\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=197709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=197709"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=197709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}