\u56f3\u306e\u3088\u3046\u306b\uff0c\u5b9a\u70b9 $\\rmO$ \u3092\u5171\u901a\u3068\u3059\u308b3\u672c\u306e\u6570\u76f4\u7dda\u3092\u8ef8\u3068\u3057\uff0c\u8ef8\u304c\u4e92\u3044\u306b\u76f4\u4ea4\u3057\u3066\u4f5c\u308b\u7a7a\u9593\u3092\u5ea7\u6a19\u7a7a\u9593<\/span>\u3068\u3044\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\u4ee5\u5f8c\uff0c3\u672c\u306e\u76f4\u7dda\u3092 $x$ \u8ef8\uff0c$y$ \u8ef8\uff0c$z$ \u8ef8\u3068\u3057\uff0c\u5ea7\u6a19\u8ef8\u3068\u3057\u307e\u3059\u3002\u307e\u305f\uff0c$x$ \u8ef8\u3068 $y$ \u8ef8\u304c\u5b9a\u3081\u308b\u5e73\u9762\u3092 $xy$ \u5e73\u9762\uff0c$y$ \u8ef8\u3068 $z$ \u8ef8\u304c\u5b9a\u3081\u308b\u5e73\u9762\u3092 $yz$ \u5e73\u9762\uff0c$z$ \u8ef8\u3068 $x$ \u8ef8\u304c\u5b9a\u3081\u308b\u5e73\u9762\u3092 $zx$ \u5e73\u9762\uff0c\u3068\u3044\u3044\u307e\u3059\u3002<\/p>\n\n\n\n\u70b9 $\\rmP(a,\\,b,\\,c)$ \u3068\u3059\u308b\u3068\u304d\uff0c\u3053\u308c\u304c\u5ea7\u6a19\u7a7a\u9593\u306b\u304a\u3051\u308b\u70b9 $\\rmP$ \u306e\u5ea7\u6a19\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n\n\n\n2\u70b9\u9593\u306e\u8ddd\u96e2<\/h3>\n\n\n\n\u539f\u70b9 $\\rmO$\u3068\u70b9 $\\rmP$ \u306e\u8ddd\u96e2 $\\rmO\\rmP$ \u306f\uff0c\u4e09\u5e73\u65b9\u306e\u5b9a\u7406\u304b\u3089\uff0c<\/p>\n\n\n\n$$\\rmO\\rmP=\\sqrt{a^2+b^2+c^2}$$\u3068\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\n\u56f3\u306e\u76f4\u65b9\u4f53\u3067\u8003\u3048\u308b\u3068\u308f\u304b\u308a\u3084\u3059\u3044\uff01<\/p>\n<\/div><\/div><\/div><\/noscript>\u751f\u5f92<\/div><\/div><\/div>\n\n\n\n\u307e\u305f\uff0c2\u70b9 $\\rmA(x_1,\\,y_1,\\,z_1)$\uff0c$\\rmB(x_2,\\,y_2,\\,z_2)$ \u306e\u8ddd\u96e2 $\\rmA\\rmB$ \u306f\uff0c<\/p>\n\n\n\n$$\\rmA\\rmB=\\sqrt{(x_2-x_1)^2+(y_2-y_1)^2+(z_2-z_1)^2}$$\u3068\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n$z$\u6210\u5206\u304c\u5897\u3048\u305f\u3060\u3051\u3067\uff0c\u5ea7\u6a19\u5e73\u9762\u3068\u540c\u3058\u3088\u3046\u306b\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u308f\u3051\u3067\u3059\u306d\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n\u5206\u70b9\u3068\u91cd\u5fc3<\/h2>\n\n\n\n\u5206\u70b9<\/h3>\n\n\n\n\u7a7a\u9593\u5185\u306b\u304a\u3044\u3066\u3082\uff0c\u5e73\u9762\u306e\u3068\u304d\u3068\u540c\u69d8\u306b\u5185\u5206\u70b9\u3084\u5916\u5206\u70b9\u3092\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n\u70b9 $\\rmA(x_1,\\,y_1,\\,z_1)$\uff0c\u70b9 $\\rmB(x_2,\\,y_2,\\,z_2)$ \u306b\u304a\u3044\u3066\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $m:n$ \u306b\u5185\u5206\u3059\u308b\u70b9\u3092 $\\rmP$\uff0c$m:n$ \u306b\u5916\u5206\u3059\u308b\u70b9\u3092 $\\rmQ$\u3068\u3059\u308b\u3068\uff0c<\/p>\n\n\n\n$$\\begin{aligned} &\\rmP\\left(\\bun{nx_1+mx_2}{m+n},\\,\\bun{ny_1+my_2}{m+n},\\,\\bun{nz_1+mz_2}{m+n}\\right)\\\\&\\rmQ\\left(\\bun{-nx_1+mx_2}{m+(-n)},\\,\\bun{-ny_1+my_2}{m+(-n)},\\,\\bun{-nz_1+mz_2}{m+(-n)}\\right) \\end{aligned}$$\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u91cd\u5fc3<\/h3>\n\n\n\n\u307e\u305f\uff0c\u70b9 $\\rmC(x_3,\\,y_3,\\,z_3)$ \u3068\u3057\uff0c$\\triangle\\rmA\\rmB\\rmC$ \u306e\u91cd\u5fc3\u3092 $\\rmG$ \u3068\u3059\u308b\u3068\uff0c<\/p>\n\n\n\n$$\\rmG\\left(\\bun{x_1+x_2+x_3}{3},\\,\\bun{y_1+y_2+y_3}{3},\\,\\bun{z_1+z_2+z_3}{3}\\right)$$\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u3044\u305a\u308c\u3082\u5e73\u9762\u306e\u3068\u304d\u3068\u540c\u3058\u3088\u3046\u306b\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306d\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"\u5e73\u9762\u304b\u3089\u7a7a\u9593\u3078\u8996\u91ce\u3092\u5e83\u3052\uff0c\u5ea7\u6a19\u7a7a\u9593\u3067\u306e2\u70b9\u9593\u306e\u8ddd\u96e2\u3084\u5206\u70b9\u30fb\u91cd\u5fc3\u306e\u6c42\u3081\u65b9\u3092\u5177\u4f53\u4f8b\u3068\u3068\u3082\u306b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":5330,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,32],"tags":[],"class_list":["post-5310","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vector","category-32"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u4ee5\u5f8c\uff0c3\u672c\u306e\u76f4\u7dda\u3092 $x$ \u8ef8\uff0c$y$ \u8ef8\uff0c$z$ \u8ef8\u3068\u3057\uff0c\u5ea7\u6a19\u8ef8\u3068\u3057\u307e\u3059\u3002\u307e\u305f\uff0c$x$ \u8ef8\u3068 $y$ \u8ef8\u304c\u5b9a\u3081\u308b\u5e73\u9762\u3092 $xy$ \u5e73\u9762\uff0c$y$ \u8ef8\u3068 $z$ \u8ef8\u304c\u5b9a\u3081\u308b\u5e73\u9762\u3092 $yz$ \u5e73\u9762\uff0c$z$ \u8ef8\u3068 $x$ \u8ef8\u304c\u5b9a\u3081\u308b\u5e73\u9762\u3092 $zx$ \u5e73\u9762\uff0c\u3068\u3044\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u70b9 $\\rmP(a,\\,b,\\,c)$ \u3068\u3059\u308b\u3068\u304d\uff0c\u3053\u308c\u304c\u5ea7\u6a19\u7a7a\u9593\u306b\u304a\u3051\u308b\u70b9 $\\rmP$ \u306e\u5ea7\u6a19\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u539f\u70b9 $\\rmO$\u3068\u70b9 $\\rmP$ \u306e\u8ddd\u96e2 $\\rmO\\rmP$ \u306f\uff0c\u4e09\u5e73\u65b9\u306e\u5b9a\u7406\u304b\u3089\uff0c<\/p>\n\n\n\n
$$\\rmO\\rmP=\\sqrt{a^2+b^2+c^2}$$\u3068\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript><\/figure>\n\n\n\n\n\u56f3\u306e\u76f4\u65b9\u4f53\u3067\u8003\u3048\u308b\u3068\u308f\u304b\u308a\u3084\u3059\u3044\uff01<\/p>\n<\/div><\/div><\/div><\/noscript>\u751f\u5f92<\/div><\/div><\/div>\n\n\n\n\u307e\u305f\uff0c2\u70b9 $\\rmA(x_1,\\,y_1,\\,z_1)$\uff0c$\\rmB(x_2,\\,y_2,\\,z_2)$ \u306e\u8ddd\u96e2 $\\rmA\\rmB$ \u306f\uff0c<\/p>\n\n\n\n$$\\rmA\\rmB=\\sqrt{(x_2-x_1)^2+(y_2-y_1)^2+(z_2-z_1)^2}$$\u3068\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n$z$\u6210\u5206\u304c\u5897\u3048\u305f\u3060\u3051\u3067\uff0c\u5ea7\u6a19\u5e73\u9762\u3068\u540c\u3058\u3088\u3046\u306b\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u308f\u3051\u3067\u3059\u306d\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n\u5206\u70b9\u3068\u91cd\u5fc3<\/h2>\n\n\n\n\u5206\u70b9<\/h3>\n\n\n\n\u7a7a\u9593\u5185\u306b\u304a\u3044\u3066\u3082\uff0c\u5e73\u9762\u306e\u3068\u304d\u3068\u540c\u69d8\u306b\u5185\u5206\u70b9\u3084\u5916\u5206\u70b9\u3092\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n\u70b9 $\\rmA(x_1,\\,y_1,\\,z_1)$\uff0c\u70b9 $\\rmB(x_2,\\,y_2,\\,z_2)$ \u306b\u304a\u3044\u3066\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $m:n$ \u306b\u5185\u5206\u3059\u308b\u70b9\u3092 $\\rmP$\uff0c$m:n$ \u306b\u5916\u5206\u3059\u308b\u70b9\u3092 $\\rmQ$\u3068\u3059\u308b\u3068\uff0c<\/p>\n\n\n\n$$\\begin{aligned} &\\rmP\\left(\\bun{nx_1+mx_2}{m+n},\\,\\bun{ny_1+my_2}{m+n},\\,\\bun{nz_1+mz_2}{m+n}\\right)\\\\&\\rmQ\\left(\\bun{-nx_1+mx_2}{m+(-n)},\\,\\bun{-ny_1+my_2}{m+(-n)},\\,\\bun{-nz_1+mz_2}{m+(-n)}\\right) \\end{aligned}$$\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\u91cd\u5fc3<\/h3>\n\n\n\n\u307e\u305f\uff0c\u70b9 $\\rmC(x_3,\\,y_3,\\,z_3)$ \u3068\u3057\uff0c$\\triangle\\rmA\\rmB\\rmC$ \u306e\u91cd\u5fc3\u3092 $\\rmG$ \u3068\u3059\u308b\u3068\uff0c<\/p>\n\n\n\n$$\\rmG\\left(\\bun{x_1+x_2+x_3}{3},\\,\\bun{y_1+y_2+y_3}{3},\\,\\bun{z_1+z_2+z_3}{3}\\right)$$\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<\/noscript>\u7fbd\u767d<\/div><\/div>\n\u3044\u305a\u308c\u3082\u5e73\u9762\u306e\u3068\u304d\u3068\u540c\u3058\u3088\u3046\u306b\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306d\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"\u5e73\u9762\u304b\u3089\u7a7a\u9593\u3078\u8996\u91ce\u3092\u5e83\u3052\uff0c\u5ea7\u6a19\u7a7a\u9593\u3067\u306e2\u70b9\u9593\u306e\u8ddd\u96e2\u3084\u5206\u70b9\u30fb\u91cd\u5fc3\u306e\u6c42\u3081\u65b9\u3092\u5177\u4f53\u4f8b\u3068\u3068\u3082\u306b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":5330,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,32],"tags":[],"class_list":["post-5310","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vector","category-32"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
\u56f3\u306e\u76f4\u65b9\u4f53\u3067\u8003\u3048\u308b\u3068\u308f\u304b\u308a\u3084\u3059\u3044\uff01<\/p>\n<\/div><\/div><\/div>
\u307e\u305f\uff0c2\u70b9 $\\rmA(x_1,\\,y_1,\\,z_1)$\uff0c$\\rmB(x_2,\\,y_2,\\,z_2)$ \u306e\u8ddd\u96e2 $\\rmA\\rmB$ \u306f\uff0c<\/p>\n\n\n\n
$$\\rmA\\rmB=\\sqrt{(x_2-x_1)^2+(y_2-y_1)^2+(z_2-z_1)^2}$$\u3068\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
$z$\u6210\u5206\u304c\u5897\u3048\u305f\u3060\u3051\u3067\uff0c\u5ea7\u6a19\u5e73\u9762\u3068\u540c\u3058\u3088\u3046\u306b\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u308f\u3051\u3067\u3059\u306d\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n
\u7a7a\u9593\u5185\u306b\u304a\u3044\u3066\u3082\uff0c\u5e73\u9762\u306e\u3068\u304d\u3068\u540c\u69d8\u306b\u5185\u5206\u70b9\u3084\u5916\u5206\u70b9\u3092\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u70b9 $\\rmA(x_1,\\,y_1,\\,z_1)$\uff0c\u70b9 $\\rmB(x_2,\\,y_2,\\,z_2)$ \u306b\u304a\u3044\u3066\uff0c\u7dda\u5206 $\\rmA\\rmB$ \u3092 $m:n$ \u306b\u5185\u5206\u3059\u308b\u70b9\u3092 $\\rmP$\uff0c$m:n$ \u306b\u5916\u5206\u3059\u308b\u70b9\u3092 $\\rmQ$\u3068\u3059\u308b\u3068\uff0c<\/p>\n\n\n\n
$$\\begin{aligned} &\\rmP\\left(\\bun{nx_1+mx_2}{m+n},\\,\\bun{ny_1+my_2}{m+n},\\,\\bun{nz_1+mz_2}{m+n}\\right)\\\\&\\rmQ\\left(\\bun{-nx_1+mx_2}{m+(-n)},\\,\\bun{-ny_1+my_2}{m+(-n)},\\,\\bun{-nz_1+mz_2}{m+(-n)}\\right) \\end{aligned}$$\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u307e\u305f\uff0c\u70b9 $\\rmC(x_3,\\,y_3,\\,z_3)$ \u3068\u3057\uff0c$\\triangle\\rmA\\rmB\\rmC$ \u306e\u91cd\u5fc3\u3092 $\\rmG$ \u3068\u3059\u308b\u3068\uff0c<\/p>\n\n\n\n
$$\\rmG\\left(\\bun{x_1+x_2+x_3}{3},\\,\\bun{y_1+y_2+y_3}{3},\\,\\bun{z_1+z_2+z_3}{3}\\right)$$\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u3044\u305a\u308c\u3082\u5e73\u9762\u306e\u3068\u304d\u3068\u540c\u3058\u3088\u3046\u306b\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306d\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"
\u5e73\u9762\u304b\u3089\u7a7a\u9593\u3078\u8996\u91ce\u3092\u5e83\u3052\uff0c\u5ea7\u6a19\u7a7a\u9593\u3067\u306e2\u70b9\u9593\u306e\u8ddd\u96e2\u3084\u5206\u70b9\u30fb\u91cd\u5fc3\u306e\u6c42\u3081\u65b9\u3092\u5177\u4f53\u4f8b\u3068\u3068\u3082\u306b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":5330,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,32],"tags":[],"class_list":["post-5310","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vector","category-32"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\n\t\t\n
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