{"id":18167,"date":"2024-04-10T18:18:08","date_gmt":"2024-04-10T18:18:08","guid":{"rendered":"http:\/\/soicauchinhxacnhat.com\/?p=18167"},"modified":"2024-04-10T18:18:08","modified_gmt":"2024-04-10T18:18:08","slug":"thu-thuat-tinh-lo-xien-de-trung-phan-1","status":"publish","type":"post","link":"https:\/\/soicauchinhxacnhat.com\/thu-thuat-tinh-lo-xien-de-trung-phan-1\/","title":{"rendered":"Th\u1ee7 thu\u1eadt t\u00ednh l\u00f4 xi\u00ean d\u1ec5 tr\u00fang (ph\u1ea7n 1)"},"content":{"rendered":"

Ch\u01a1i \u0111\u00e1nh l\u00f4 l\u00e0 m\u1ed9t c\u00e1ch ch\u01a1i \u0111\u01a1n gi\u1ea3n kh\u00f4ng qu\u00e1 kh\u00f3 v\u00e0 bi\u1ebfn t\u1ea5u c\u1ee7a l\u00f4 ch\u00ednh l\u00e0 \u0111\u00e1nh l\u00f4 xi\u00ean, v\u00e0 th\u01b0\u1eddng th\u00ec ch\u00fang ta c\u00f3 l\u00f4 xi\u00ean 2, l\u00f4 xi\u00ean 3 v\u00e0 l\u00f4 xi\u00ean 4<\/strong> v\u1edbi \u0111\u1ed9 kh\u00f3 v\u00e0 x\u00e1c su\u1ea5t t\u0103ng d\u1ea7n. Tuy kh\u00f3 nh\u01b0ng n\u1ebfu bi\u1ebft c\u00e1ch t\u00ednh th\u00ec \u0103n l\u00f4 xi\u00ean h\u1eddi h\u01a1n c\u1ea3 \u0111\u00e1nh l\u00f4 b\u00ecnh th\u01b0\u1eddng r\u1ea5t nhi\u1ec1u. V\u00e0 h\u00f4m nay ch\u00fang t\u00f4i s\u1ebd \u0111\u01b0a ra th\u1ee7 thu\u1eadt t\u00ednh l\u00f4 xi\u00ean d\u1ec5 tr\u00fang nh\u1ea5t cho c\u00e1c ae tham kh\u1ea3o.<\/p>\n

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Th\u1ee7 thu\u1eadt t\u00ednh l\u00f4 xi\u00ean mau tr\u00fang \u2013 Kh\u00e1i ni\u1ec7m v\u00e0 c\u00e1ch t\u00ednh<\/strong><\/h3>\n<\/div>\n

\u0110\u1ea7u ti\u00ean, ch\u00fang ta c\u1ea7n ph\u1ea3i hi\u1ec3u kh\u00e1i ni\u1ec7m v\u1ec1 l\u00f4 xi\u00ean (s\u1ed1 \u0111\u00e1) l\u00e0 g\u00ec. Gi\u1ea3 s\u1eed \u0111\u00e1nh l\u00f4 th\u00ec ch\u00fang ta ch\u1ecdn \u0111\u00e1nh l\u1ebb m\u1ed9t c\u1eb7p s\u1ed1 ho\u1eb7c b\u1ed9 s\u1ed1 cho t\u1eebng ng\u00e0y, v\u00ed d\u1ee5 ch\u00fang t\u00f4i \u0111\u00e1nh con l\u00f4 24 cho ng\u00e0y th\u1ee9 nh\u1ea5t, con l\u00f4 42 cho ng\u00e0y th\u1ee9 2,\u2026 L\u00f4 xi\u00ean l\u00e0 b\u1ea1n \u0111\u00e1nh theo c\u00e1c c\u1eb7p s\u1ed1 c\u00f3 d\u1ea1ng nh\u01b0 [s\u1ed1 1;s\u1ed1 2] v\u00ed d\u1ee5 [24;42] v\u00e0 hai con n\u00e0y ph\u1ea3i c\u00f9ng v\u1ec1 th\u00ec b\u1ea1n m\u1edbi th\u1eafng, xi\u00ean 3 v\u00e0 xi\u00ean 4 t\u01b0\u01a1ng t\u1ef1 nhau. C\u00f3 m\u1ed9t s\u1ed1 n\u01a1i cho ph\u00e9p c\u00e1c b\u1ea1n \u0111\u00e1 2 \u0111\u00e0i v\u1edbi nhau (mi\u1ec1n Trung \u2013 Nam). Th\u01b0\u1eddng m\u1ecdi ng\u01b0\u1eddi s\u1ebd \u0111\u00e1nh \u0111\u1ea7u \u0111\u00edt xoay ng\u01b0\u1ee3c theo c\u00e1ch t\u00ednh th\u1ee7 thu\u1eadt t\u00ednh l\u00f4 xi\u00ean mau tr\u00fang.<\/p>\n

H\u1eb1ng ng\u00e0y, l\u00f4 mi\u1ec1n b\u1eafc s\u1ebd x\u1ed5 27 gi\u1ea3i. Do v\u1eady, x\u00e1c su\u1ea5t khi b\u1ea1n ch\u1ecdn tr\u00fang 1 l\u00f4 xi\u00ean l\u00e0 23,76%. T\u1ea1i sao l\u1ea1i c\u00f3 k\u1ebft qu\u1ea3 nh\u01b0 th\u1ebf n\u00e0y th\u00ec ch\u00fang t\u00f4i xin gi\u1ea3i th\u00edch nh\u01b0 sau. N\u1ebfu b\u1ea1n \u0111\u00e3 h\u1ecdc qua x\u00e1c xu\u1ea5t th\u1ed1ng k\u00ea th\u00ec t\u1ef7 l\u1ec7 tr\u00fang l\u00e0 100% t\u01b0\u01a1ng \u1ee9ng v\u1edbi 1, ngh\u0129a l\u00e0 m\u1ecdi s\u1ef1 tr\u00ean \u0111\u1eddi \u0111\u1ec1u quy v\u1ec1 x\u00e1c su\u1ea5t t\u1ed1i \u0111a l\u00e0 1 v\u00e0 l\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 1\/2 (0.5)<\/p>\n

Mu\u1ed1n t\u00ednh \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 \u0103n th\u00ec ta ph\u1ea3i t\u00ednh t\u1ef7 l\u1ec7 tr\u01b0\u1ee3t l\u00f4 tr\u01b0\u1edbc (t\u1ef7 l\u1ec7 t\u1ea1ch l\u00f4) v\u00e0 d\u00f9ng 1 tr\u1eeb \u0111i t\u1ea1ch l\u00e0 ra tr\u00fang l\u00f4. T\u1ea1i v\u00ec th\u1eafng l\u00e0 chuy\u1ec7n kh\u00f4ng bi\u1ebft nh\u01b0ng thua th\u00ec c\u00f3 th\u1ec3 \u0111o\u00e1n bi\u1ebft tr\u01b0\u1edbc \u0111\u01b0\u1ee3c t\u01b0\u01a1ng \u0111\u1ed1i v\u1edbi th\u1ee7 thu\u1eadt t\u00ednh l\u00f4 xi\u00ean mau tr\u00fang.<\/p>\n

T\u1ef7 l\u1ec7 t\u1ea1ch l\u00f4 \u0111\u01b0\u1ee3c t\u00ednh nh\u01b0 sau v\u1edbi c\u00e1c d\u1eef ki\u1ec7n:<\/h3>\n