{"id":3130,"date":"2023-10-08T14:19:08","date_gmt":"2023-10-08T06:19:08","guid":{"rendered":"http:\/\/garteng.com\/?p=3130"},"modified":"2023-10-08T14:19:14","modified_gmt":"2023-10-08T06:19:14","slug":"abcd%e7%9f%a9%e9%98%b5abcd-matrix","status":"publish","type":"post","link":"http:\/\/garteng.com\/?p=3130","title":{"rendered":"ABCD\u77e9\u9635(ABCD 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class=\"wp-block-list\"><li>\u5149\u7ebf\u5149\u5b66<\/li>\n\n<li>\u9ad8\u65af\u5149\u675f\u7684\u4f20\u8f93<\/li>\n\n<li>\u91cd\u8981\u5149\u5b66\u5143\u4ef6\u7684ABCD\u77e9\u9635<\/li>\n\n<li>\u591a\u4e2a\u5149\u5b66\u5143\u4ef6\u7684\u7ed3\u5408<\/li>\n\n<li>\u5178\u578b\u5e94\u7528<\/li><\/ol><p><strong>\u5149\u7ebf\u5149\u5b66&nbsp;<\/strong><\/p><p>\u6700\u521d\uff0c\u4e3a\u4e86\u8ba1\u7b97\u6a2a\u5411\u504f\u79fb\u4e3a r\uff0c\u504f\u79fb\u89d2\u4e3a\u03b8 \u7684\u51e0\u4f55\u5149\u675f\u7684\u4f20\u8f93\u53d1\u5c55\u4e86\u8fd9\u4e00\u6982\u5ff5\u3002\u5f53\u89d2\u5ea6\u5f88\u5c0f\u65f6\uff08\u53c2\u9605\u508d\u8f74\u8fd1\u4f3c\uff09\uff0c\u5728\u7ecf\u8fc7\u5149\u5b66\u5143\u4ef6\u4e4b\u524d\u4e0e\u4e4b\u540e\uff0c\u5750\u6807r\u548c\u03b8 \u4e4b\u95f4\u5177\u6709\u7ebf\u6027\u5173\u7cfb\u3002\u4e0b\u9762\u7684\u77e9\u9635\u65b9\u7a0b\u53ef\u4ee5\u7528\u6765\u8ba1\u7b97\u8be5\u5149\u5b66\u5143\u4ef6\u5bf9\u53c2\u6570\u7684\u6539\u53d8\u60c5\u51b5\uff1a&nbsp;<\/p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/aikelabs.com\/upload\/ueditor\/image\/20160623\/1466670784502077614.png\" alt=\"1.png\" title=\"1466670784502077614.png\"\/><\/figure><p>\u5176\u4e2d\u52a0\u5f15\u53f7\u7684\u91cf\uff08\u65b9\u7a0b\u5de6\u4fa7\uff09\u4ee3\u8868\u5149\u675f\u7ecf\u8fc7\u5149\u5b66\u5143\u4ef6\u540e\u7684\u5750\u6807\u503c\u3002ABCD\u77e9\u9635\u662f\u6bcf\u4e00\u5149\u5b66\u5143\u4ef6\u7684\u7279\u5f81\u91cf\u3002&nbsp;<\/p><p>\u4f8b\u5982\uff0c\u7126\u8ddd\u4e3af\u7684\u8584\u900f\u955c\u7684ABCD\u77e9\u9635\u4e3a\uff1a&nbsp;<\/p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/aikelabs.com\/upload\/ueditor\/image\/20160623\/1466670804748076384.png\" alt=\"1.png\" title=\"1466670804748076384.png\"\/><\/figure><p>\u8fd9\u8868\u660e\u504f\u79fbr \u662f\u4e0d\u53d8\u7684\uff0c\u800c\u504f\u79fb\u89d2\u03b8 \u7684\u53d8\u5316\u6b63\u6bd4\u4e8er\u3002&nbsp;<\/p><p>\u5728\u81ea\u7531\u7a7a\u95f4\u4e2d\u4f20\u8f93d 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title=\"1466670828441050852.png\"\/><\/figure><p>\u8868\u660e\u504f\u79fb\u89d2\u4e0d\u53d8\uff0c\u800c\u504f\u79fbr\u6839\u636e\u89d2\u5ea6\u4f1a\u589e\u5927\u6216\u8005\u51cf\u5c0f\u3002&nbsp;<\/p><p>\u4e0b\u9762\u6709\u66f4\u591a\u5173\u4e8eABCD\u77e9\u9635\u7684\u4f8b\u5b50\u3002&nbsp;<\/p><p>\u5149\u675f\u5728\u7535\u4ecb\u8d28\u4e2d\u4f20\u8f93\u65f6\uff0c\u53ef\u4ee5\u91c7\u7528\u4e00\u4e2a\u66f4\u65b9\u4fbf\u7684\u4fee\u6b63\u540e\u7684\u5149\u675f\u77e2\u91cf\uff0c\u5373\u5c06\u89d2\u5ea6\u53d8\u4e3a\u5176\u4e0e\u6298\u5c04\u7387\u7684\u4e58\u79ef\u3002\u8fd9\u5728\u6709\u4e9b\u60c5\u51b5\u4e0b\u53ef\u4ee5\u7b80\u5316\u77e9\u9635\u3002&nbsp;<\/p><p><strong>\u9ad8\u65af\u5149\u675f\u7684\u4f20\u8f93&nbsp;<\/strong><\/p><p>ABCD\u77e9\u9635\u53ef\u7528\u6765\u8ba1\u7b97\u5149\u5b66\u5143\u4ef6\u5bf9\u9ad8\u65af\u5149\u675f\u53c2\u6570\u7684\u5f71\u54cd\u3002\u4e3a\u4e86\u7b80\u5316\u8ba1\u7b97\u9700\u5f15\u5165\u53c2\u6570q\uff0c\u5305\u542b\u4e86\u5149\u675f\u534a\u5f84 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src=\"http:\/\/aikelabs.com\/upload\/ueditor\/image\/20160623\/1466670913675045144.png\" alt=\"1.png\" title=\"1466670913675045144.png\"\/><\/figure><p>\uff08\u5982\u679c\u5728\u900f\u660e\u4ecb\u8d28\u4e2d\u4f20\u8f93\uff0c\u957f\u5ea6\u9700\u8981\u9664\u4ee5\u6298\u5c04\u7387\uff0c\u5982\u679c\u91c7\u7528\u4ee5\u4e0a\u63d0\u5230\u7684\u4fee\u6b63\u7684\u5b9a\u4e49\uff0c\u90a3\u4e48\u4e0b\u9762\u7684\u6210\u5206\uff0c\u4e5f\u5c31\u662f\u89d2\u5ea6\uff0c\u9700\u8981\u4e58\u4ee5\u6298\u5c04\u7387\u3002\uff09&nbsp;<\/p><p>\u7126\u8ddd\u4e3af\u7684\u900f\u955c\uff08f\u5927\u4e8e0\u4ee3\u8868\u4f1a\u805a\u900f\u955c\uff09\uff1a&nbsp;<\/p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/aikelabs.com\/upload\/ueditor\/image\/20160623\/1466670933066045333.png\" alt=\"1.png\" title=\"1466670933066045333.png\"\/><\/figure><p>\u5f2f\u66f2\u534a\u5f84\u4e3aR\u7684\u955c\u5b50\uff08&gt;0\u4ee3\u8868\u51f9\u900f\u955c\uff09\uff0c\u6c34\u5e73\u9762\u4e0a\u7684\u5165\u5c04\u89d2\u4e3a\u03b8\uff1a&nbsp;<\/p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/aikelabs.com\/upload\/ueditor\/image\/20160623\/1466670955386091120.png\" alt=\"1.png\" title=\"1466670955386091120.png\"\/><\/figure><p>\u5176\u4e2dRe\u2009=\u2009R\u2009cos\u2009\u03b8 \u662f\u5728\u5207\u5e73\u9762\u4e0a\uff08\u6c34\u5e73\u65b9\u5411\uff09\uff0c\u800c\u77e2\u72b6\u9762\uff08\u7ad6\u76f4\u65b9\u5411\uff09\u5219\u6709Re\u2009=\u2009R\u2009\/\u2009cos\u2009\u03b8\u3002&nbsp;<\/p><p>\u7ba1\uff1a&nbsp;<\/p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/aikelabs.com\/upload\/ueditor\/image\/20160623\/1466670973406037856.png\" alt=\"1.png\" title=\"1466670973406037856.png\"\/><\/figure><p>\u5176\u4e2d\u5f84\u5411\u53d8\u5316\u7684\u6298\u5c04\u7387\u4e3a\uff1a&nbsp;<\/p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/aikelabs.com\/upload\/ueditor\/image\/20160623\/1466671013930048353.png\" alt=\"1.png\" title=\"1466671013930048353.png\"\/><\/figure><p>\u8bb8\u591a\u6559\u79d1\u4e66\u4e2d\u7ed9\u51fa\u4e86\u5f88\u591a\u5176\u5b83\u5149\u5b66\u5143\u4ef6\u7684ABCD\u77e9\u9635\u3002&nbsp;<\/p><p><strong>\u591a\u4e2a\u5149\u5b66\u5143\u4ef6\u7684\u7ed3\u5408&nbsp;<\/strong><\/p><p>\u5f53\u5149\u675f\u901a\u8fc7\u51e0\u4e2a\u5149\u5b66\u5143\u4ef6\u540e\uff08\u5305\u542b\u5176\u95f4\u7684\u7a7a\u6c14\uff09\uff0c\u8fd9\u8868\u660e\u77e2\u91cf (r \u03b8) 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