{"id":5711,"date":"2014-08-18T06:00:51","date_gmt":"2014-08-17T21:00:51","guid":{"rendered":"http:\/\/fujiitoshiki.com\/improvesociety\/?p=5711"},"modified":"2017-04-27T09:21:51","modified_gmt":"2017-04-27T00:21:51","slug":"post-5711","status":"publish","type":"post","link":"https:\/\/www.fujiitoshiki.com\/improvesociety\/?p=5711","title":{"rendered":"\u7dda\u7a4d\u5206\u306e\u30d9\u30af\u30c8\u30eb\u8868\u8a18"},"content":{"rendered":"<div class=\"theContentWrap-ccc\"><p>\u3000\u7c21\u6f54\u306a\u8a18\u6cd5\u540c\u69d8\uff0c\u7269\u7406\u5b66\u7684\u30fb\u5730\u7406\u7684\u306a\u7406\u89e3\u306e\u305f\u3081\u306b\u7dda\u7a4d\u5206\u3092\u30d9\u30af\u30c8\u30eb\u306e\u5f62\u3067\u8868\u73fe\u3059\u308b\u3053\u3068\u306f\u3057\u3070\u3057\u3070\u4fbf\u5229\u3067\u3059\uff0e\u4f8b\u3048\u3070\uff0c\u7dda\u7a4d\u5206 (15) \u3092\u6b21\u306e\u5f62\u3067\u8868\u73fe\u3067\u304d\u307e\u3059\uff0e<\/p>\n<p><img src='https:\/\/s0.wp.com\/latex.php?latex=%5Cdisplaystyle+%5Cint_%7BC%7D%5BA_1dx+%2B+A_2dy+%2B+A_3dz%5D+%5C%5C++%3D+%5Cint_%7BC%7D+%28A_1%5Cbold%7Bi%7D+%2B+A_2%5Cbold%7Bj%7D+%2B+A_3%5Cbold%7Bk%7D%29+%5Ccdot+%28dx%5Cbold%7Bi%7D+%2B+dy%5Cbold%7Bj%7D+%2B+dz%5Cbold%7Bk%7D%29%5C%5C++%3D+%5Cint_%7BC%7D+%5Cbold%7BA%7D%5Ccdot+d%5Cbold%7Br%7D+%5Ccdots+%2817%29+&#038;bg=T&#038;fg=000000&#038;s=0' alt='\\displaystyle \\int_{C}[A_1dx + A_2dy + A_3dz] \\\\  = \\int_{C} (A_1\\bold{i} + A_2\\bold{j} + A_3\\bold{k}) \\cdot (dx\\bold{i} + dy\\bold{j} + dz\\bold{k})\\\\  = \\int_{C} \\bold{A}\\cdot d\\bold{r} \\cdots (17) ' title='\\displaystyle \\int_{C}[A_1dx + A_2dy + A_3dz] \\\\  = \\int_{C} (A_1\\bold{i} + A_2\\bold{j} + A_3\\bold{k}) \\cdot (dx\\bold{i} + dy\\bold{j} + dz\\bold{k})\\\\  = \\int_{C} \\bold{A}\\cdot d\\bold{r} \\cdots (17) ' class='latex' \/><\/p>\n<p>\u3053\u3053\u3067 <img src='https:\/\/s0.wp.com\/latex.php?latex=%5Cbold%7BA%7D+%3D+A_1%5Cbold%7Bi%7D+%2B+A_2%5Cbold%7Bj%7D+%2B+A_3%5Cbold%7Bk%7D&#038;bg=T&#038;fg=000000&#038;s=0' alt='\\bold{A} = A_1\\bold{i} + A_2\\bold{j} + A_3\\bold{k}' title='\\bold{A} = A_1\\bold{i} + A_2\\bold{j} + A_3\\bold{k}' class='latex' \/> \u304a\u3088\u3073 <img src='https:\/\/s0.wp.com\/latex.php?latex=d%5Cbold%7Br%7D+%3D+dx%5Cbold%7Bi%7D+%2B+dy%5Cbold%7Bj%7D+%2B+dz%5Cbold%7Bk%7D&#038;bg=T&#038;fg=000000&#038;s=0' alt='d\\bold{r} = dx\\bold{i} + dy\\bold{j} + dz\\bold{k}' title='d\\bold{r} = dx\\bold{i} + dy\\bold{j} + dz\\bold{k}' class='latex' \/> \u3067\u3059\uff0e\u7dda\u7a4d\u5206 (14) \u306f <img src='https:\/\/s0.wp.com\/latex.php?latex=z+%3D+0&#038;bg=T&#038;fg=000000&#038;s=0' alt='z = 0' title='z = 0' class='latex' \/> \u306e\u6642\u306e\u7279\u6b8a\u578b\u3067\u3059\uff0e<\/p>\n<p>\u3000\u5404\u70b9 (<em>x<\/em>, <em>y<\/em>, <em>z<\/em>) \u3092\u3042\u308b\u7269\u4f53\u306b\u4f5c\u7528\u3059\u308b\u529b <strong>F<\/strong> \u3068\u95a2\u9023\u4ed8\u3051\u308b\u306a\u3089\uff08\u4f8b\u3000\u4eee\u306b\u3042\u308b <em>\u529b\u5834<\/em> \u304c\u5b9a\u7fa9\u3055\u308c\u308b\u3068)\uff0c<\/p>\n<p><img src='https:\/\/s0.wp.com\/latex.php?latex=%5Cdisplaystyle+%5Cint_%7BC%7D+%5Cbold%7BF%7D%5Ccdot+d%5Cbold%7Br%7D%5Ccdots%2818%29&#038;bg=T&#038;fg=000000&#038;s=0' alt='\\displaystyle \\int_{C} \\bold{F}\\cdot d\\bold{r}\\cdots(18)' title='\\displaystyle \\int_{C} \\bold{F}\\cdot d\\bold{r}\\cdots(18)' class='latex' \/><\/p>\n<p>\u4e0a\u8a18\u306f\u66f2\u7dda <em>C<\/em> \u306b\u6cbf\u3063\u3066\u306a\u3055\u308c\u305f\u7269\u7406\u7684\u306a\u7dcf\u4ed5\u4e8b\u91cf\u3092\u8868\u73fe\u3057\u307e\u3059\uff0e<\/p>\n<p><iframe src=\"\/\/rcm-fe.amazon-adsystem.com\/e\/cm?lt1=_blank&#038;bc1=000000&#038;IS2=1&#038;bg1=FFFFFF&#038;fc1=000000&#038;lc1=0000FF&#038;t=fujiitoshiki-22&#038;o=9&#038;p=8&#038;l=as4&#038;m=amazon&#038;f=ifr&#038;ref=ss_til&#038;asins=0071635408\" style=\"width:120px;height:240px;\" scrolling=\"no\" marginwidth=\"0\" marginheight=\"0\" frameborder=\"0\"><\/iframe><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u3000\u7c21\u6f54\u306a\u8a18\u6cd5\u540c\u69d8\uff0c\u7269\u7406\u5b66\u7684\u30fb\u5730\u7406\u7684\u306a\u7406\u89e3\u306e\u305f\u3081\u306b\u7dda\u7a4d\u5206\u3092\u30d9\u30af\u30c8\u30eb\u306e\u5f62\u3067\u8868\u73fe\u3059\u308b\u3053\u3068\u306f\u3057\u3070\u3057\u3070\u4fbf\u5229\u3067\u3059\uff0e\u4f8b\u3048\u3070\uff0c\u7dda\u7a4d\u5206 (15) \u3092\u6b21\u306e\u5f62\u3067\u8868\u73fe\u3067\u304d\u307e\u3059\uff0e \u3053\u3053\u3067 \u304a\u3088\u3073 \u3067\u3059\uff0e\u7dda\u7a4d\u5206 (14) \u306f \u306e\u6642\u306e\u7279\u6b8a\u578b\u3067\u3059\uff0e \u3000 &hellip; 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