{"id":27187,"date":"2023-12-07T03:42:39","date_gmt":"2023-12-07T03:42:39","guid":{"rendered":"https:\/\/masterskills.org\/blog\/thuat-toan-algorithm-la-gi-cach-hoat-dong-phan-loai-va-vi-du-trong-giao-dich.html"},"modified":"2023-12-22T14:43:49","modified_gmt":"2023-12-22T07:43:49","slug":"thuat-toan-algorithm-la-gi-cach-hoat-dong-phan-loai-va-vi-du-trong-giao-dich","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/thuat-toan-algorithm-la-gi-cach-hoat-dong-phan-loai-va-vi-du-trong-giao-dich.html","title":{"rendered":"Thu\u1eadt to\u00e1n (Algorithm) l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, ph\u00e2n lo\u1ea1i v\u00e0 v\u00ed d\u1ee5 trong giao d\u1ecbch"},"content":{"rendered":"
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(\u1ea2nh minh h\u1ecda: Machine learning knowledge)<\/p>\n<\/figcaption><\/figure>\n

Thu\u1eadt to\u00e1n<\/font><\/h2>\n

Kh\u00e1i ni\u1ec7m<\/b><\/p>\n

Thu\u1eadt to\u00e1n<\/b> trong ti\u1ebfng Anh l\u00e0 Algorithm.<\/b><\/p>\n

Thu\u1eadt to\u00e1n <\/b>l\u00e0 s\u1ef1 thi\u1ebft l\u1eadp c\u00e1c ti\u00eau ch\u00ed ho\u1eb7c h\u01b0\u1edbng d\u1eabn \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 ho\u1eb7c ho\u00e0n th\u00e0nh m\u1ed9t nhi\u1ec7m v\u1ee5.<\/p>\n

M\u1ed7i thi\u1ebft b\u1ecb m\u00e1y t\u00ednh s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3.<\/p>\n

C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Thu\u1eadt to\u00e1n<\/font><\/h3>\n

C\u00e1c c\u00f4ng ty t\u00e0i ch\u00ednh s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n<\/b> trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 \u0111\u1ecbnh gi\u00e1 cho vay, giao d\u1ecbch ch\u1ee9ng kho\u00e1n, qu\u1ea3n l\u00ed ngh\u0129a v\u1ee5 t\u00e0i s\u1ea3n v\u00e0 nhi\u1ec1u ch\u1ee9c n\u0103ng t\u1ef1 \u0111\u1ed9ng kh\u00e1c.<\/p>\n

V\u00ed d\u1ee5, giao d\u1ecbch thu\u1eadt to\u00e1n, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh th\u1eddi gian, gi\u00e1 v\u00e0 s\u1ed1 l\u01b0\u1ee3ng l\u1ec7nh ch\u1ee9ng kho\u00e1n.<\/p>\n

Giao d\u1ecbch thu\u1eadt to\u00e1n, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 giao d\u1ecbch t\u1ef1 \u0111\u1ed9ng ho\u1eb7c giao d\u1ecbch h\u1ed9p \u0111en, s\u1eed d\u1ee5ng ch\u01b0\u01a1ng tr\u00ecnh m\u00e1y t\u00ednh \u0111\u1ec3 mua ho\u1eb7c b\u00e1n ch\u1ee9ng kho\u00e1n v\u1edbi t\u1ed1c \u0111\u1ed9 m\u00e0 con ng\u01b0\u1eddi kh\u00f4ng l\u00e0m \u0111\u01b0\u1ee3c.<\/p>\n

Do gi\u00e1 c\u1ed5 phi\u1ebfu, tr\u00e1i phi\u1ebfu v\u00e0 h\u00e0ng h\u00f3a xu\u1ea5t hi\u1ec7n t\u1ed3n t\u1ea1i \u1edf nhi\u1ec1u h\u00ecnh th\u1ee9c tr\u1ef1c tuy\u1ebfn v\u00e0 trong d\u1eef li\u1ec7u giao d\u1ecbch, qu\u00e1 tr\u00ecnh thu\u1eadt to\u00e1n x\u1eed l\u00ed nh\u1eefng con s\u1ed1 c\u1ee7a d\u1eef li\u1ec7u t\u00e0i ch\u00ednh tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n

Ng\u01b0\u1eddi d\u00f9ng ch\u01b0\u01a1ng tr\u00ecnh ch\u1ec9 c\u1ea7n \u0111\u1eb7t tham s\u1ed1 v\u00e0 c\u00f3 \u0111\u01b0\u1ee3c \u0111\u00e1p \u00e1n mong mu\u1ed1n khi c\u00e1c ch\u1ec9 s\u1ed1 ch\u1ee9ng kho\u00e1n \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c ti\u00eau ch\u00ed c\u1ee7a nh\u00e0 giao d\u1ecbch.<\/p>\n

C\u00e1c thu\u1eadt to\u00e1n m\u00e1y t\u00ednh l\u00e0m cho cu\u1ed9c s\u1ed1ng d\u1ec5 d\u00e0ng h\u01a1n b\u1eb1ng c\u00e1ch c\u1eaft gi\u1ea3m th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u00ednh to\u00e1n b\u1eb1ng th\u1ee7 c\u00f4ng.<\/p>\n

Trong th\u1ebf gi\u1edbi t\u1ef1 \u0111\u1ed9ng h\u00f3a, c\u00e1c thu\u1eadt to\u00e1n l\u00e0m con ng\u01b0\u1eddi th\u00e0nh th\u1ea1o v\u00e0 t\u1eadp trung h\u01a1n. C\u00e1c thu\u1eadt to\u00e1n l\u00e0m cho c\u00e1c qu\u00e1 tr\u00ecnh ch\u1eadm tr\u1edf n\u00ean nhanh h\u01a1n.<\/p>\n

Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong t\u1ef1 \u0111\u1ed9ng h\u00f3a, thu\u1eadt to\u00e1n ti\u1ebft ki\u1ec7m ti\u1ec1n cho c\u00e1c c\u00f4ng ty.<\/p>\n

C\u00e1c lo\u1ea1i Thu\u1eadt to\u00e1n<\/font><\/h3>\n

M\u1ed9t s\u1ed1 lo\u1ea1i thu\u1eadt to\u00e1n <\/b>giao d\u1ecbch gi\u00fap nh\u00e0 \u0111\u1ea7u t\u01b0 quy\u1ebft \u0111\u1ecbnh n\u00ean mua hay n\u00ean b\u00e1n.<\/p>\n

Thu\u1eadt to\u00e1n \u0111\u1ea3o chi\u1ec1u trung b\u00ecnh gi\u00fap ki\u1ec3m tra gi\u00e1 ng\u1eafn h\u1ea1n so v\u1edbi gi\u00e1 trung b\u00ecnh d\u00e0i h\u1ea1n v\u00e0 n\u1ebfu gi\u00e1 m\u1ed9t c\u1ed5 phi\u1ebfu t\u0103ng cao h\u01a1n nhi\u1ec1u so v\u1edbi m\u1ee9c trung b\u00ecnh, nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 nhanh ch\u00f3ng b\u00e1n c\u1ed5 phi\u1ebfu \u0111\u1ec3 ki\u1ebfm l\u1ee3i nhu\u1eadn.<\/p>\n

T\u00ednh th\u1eddi v\u1ee5 li\u00ean quan \u0111\u1ebfn kinh nghi\u1ec7m c\u1ee7a c\u00e1c nh\u00e0 giao d\u1ecbch mua v\u00e0 b\u00e1n ch\u1ee9ng kho\u00e1n, d\u1ef1a v\u00e0o th\u1eddi gian trong n\u0103m khi th\u1ecb tr\u01b0\u1eddng th\u01b0\u1eddng t\u0103ng hay gi\u1ea3m.<\/p>\n

M\u1ed9t thu\u1eadt to\u00e1n ph\u00e2n t\u00edch c\u1ea3m t\u00ednh khi c\u00f3 tin t\u1ee9c v\u1ec1 gi\u00e1 c\u1ed5 phi\u1ebfu c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng giao d\u1ecbch t\u0103ng l\u00ean trong m\u1ed9t th\u1eddi gian.<\/p>\n

V\u00ed d\u1ee5 Thu\u1eadt to\u00e1n<\/font><\/h3>\n

Sau \u0111\u00e2y l\u00e0 m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 thu\u1eadt to\u00e1n <\/b>giao d\u1ecbch. M\u1ed9t nh\u00e0 giao d\u1ecbch t\u1ea1o nh\u1eefng ti\u00eau ch\u00ed ph\u1ea3i th\u1ecfa m\u00e3n trong t\u00e0i kho\u1ea3n t\u1ef1 \u0111\u1ed9ng c\u1ee7a m\u00ecnh, \u0111\u1ec3 b\u00e1n 100 c\u1ed5 phi\u1ebfu n\u1ebfu\u00a0\u0111\u01b0\u1eddng trung b\u00ecnh tr\u01b0\u1ee3t\u00a0(moving average) trong 50 ng\u00e0y xu\u1ed1ng d\u01b0\u1edbi m\u1ee9c trung b\u00ecnh \u0111\u1ed9ng 200 ng\u00e0y.<\/p>\n

Ng\u01b0\u1ee3c l\u1ea1i, nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 t\u1ea1o nh\u1eefng ti\u00eau ch\u00ed \u0111\u1ec3 mua 100 c\u1ed5 phi\u1ebfu n\u1ebfu \u0111\u01b0\u1eddng trung b\u00ecnh \u0111\u1ed9ng 50 ng\u00e0y c\u1ee7a m\u1ed9t c\u1ed5 phi\u1ebfu t\u0103ng tr\u00ean m\u1ee9c trung b\u00ecnh \u0111\u1ed9ng 200 ng\u00e0y.<\/p>\n

C\u00e1c thu\u1eadt to\u00e1n ph\u1ee9c t\u1ea1p ph\u1ea3i xem x\u00e9t, c\u00e2n nh\u1eafc h\u00e0ng tr\u0103m ti\u00eau ch\u00ed tr\u01b0\u1edbc khi mua ho\u1eb7c b\u00e1n ch\u1ee9ng kho\u00e1n.M\u00e1y t\u00ednh s\u1ebd nhanh ch\u00f3ng t\u1ed5ng h\u1ee3p c\u00e1c ti\u00eau ch\u00ed c\u1ee7a t\u00e0i kho\u1ea3n m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 cho ra k\u1ebft qu\u1ea3 mong mu\u1ed1n. N\u1ebfu kh\u00f4ng c\u00f3 m\u00e1y t\u00ednh, giao d\u1ecbch ph\u1ee9c t\u1ea1p s\u1ebd t\u1ed1n th\u1eddi gian v\u00e0 th\u1eadm ch\u00ed kh\u1ea3 n\u0103ng l\u00e0 kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c.<\/p>\n

Thu\u1eadt to\u00e1n trong khoa h\u1ecdc m\u00e1y t\u00ednh<\/font><\/h3>\n

Trong khoa h\u1ecdc m\u00e1y t\u00ednh, l\u1eadp tr\u00ecnh vi\u00ean ph\u1ea3i s\u1eed d\u1ee5ng n\u0103m ph\u1ea7n c\u01a1 b\u1ea3n c\u1ee7a thu\u1eadt to\u00e1n<\/b> \u0111\u1ec3 t\u1ea1o ra th\u00e0nh c\u00f4ng m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh.<\/p>\n

\u0110\u1ea7u ti\u00ean, l\u1eadp tr\u00ecnh vi\u00ean s\u1ebd m\u00f4 t\u1ea3 v\u1ea5n \u0111\u1ec1 b\u1eb1ng thu\u1eadt ng\u1eef to\u00e1n h\u1ecdc tr\u01b0\u1edbc khi t\u1ea1o ra c\u00e1c c\u00f4ng th\u1ee9c v\u00e0 vi\u1ebft qui tr\u00ecnh t\u1ea1o ra k\u1ebft qu\u1ea3.<\/p>\n

Ti\u1ebfp theo, l\u1eadp tr\u00ecnh vi\u00ean nh\u1eadp c\u00e1c tham s\u1ed1 k\u1ebft qu\u1ea3, v\u00e0 sau \u0111\u00f3 h\u1ecd s\u1ebd th\u1ef1c hi\u1ec7n ch\u01b0\u01a1ng tr\u00ecnh nhi\u1ec1u l\u1ea7n \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a n\u00f3.<\/p>\n

K\u1ebft qu\u1ea3 c\u1ee7a thu\u1eadt to\u00e1n l\u00e0 k\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c \u0111\u01b0a ra sau khi c\u00e1c tham s\u1ed1 \u0111\u00e3 th\u1ecfa m\u00e3n t\u1eadp h\u1ee3p c\u00e1c h\u01b0\u1edbng d\u1eabn v\u00e0 ti\u00eau ch\u00ed \u0111\u01b0\u1ee3c vi\u1ebft trong ch\u01b0\u01a1ng tr\u00ecnh.<\/p>\n

\u0110\u1ed1i v\u1edbi c\u00e1c thu\u1eadt to\u00e1n t\u00e0i ch\u00ednh, ch\u01b0\u01a1ng tr\u00ecnh c\u00e0ng ph\u1ee9c t\u1ea1p, th\u00ec ph\u1ea7n m\u1ec1m c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e0ng nhi\u1ec1u d\u1eef li\u1ec7u \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u00ednh x\u00e1c l\u00e0 n\u00ean mua hay n\u00ean b\u00e1n ch\u1ee9ng kho\u00e1n.<\/p>\n

C\u00e1c l\u1eadp tr\u00ecnh vi\u00ean ki\u1ec3m tra c\u00e1c thu\u1eadt to\u00e1n ph\u1ee9c t\u1ea1p m\u1ed9t c\u00e1ch k\u0129 l\u01b0\u1ee1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh kh\u00f4ng c\u00f3 l\u1ed7i.<\/p>\n

Nhi\u1ec1u thu\u1eadt to\u00e1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ec9 cho m\u1ed9t v\u1ea5n \u0111\u1ec1; tuy nhi\u00ean, c\u00f3 m\u1ed9t s\u1ed1 thu\u1eadt to\u00e1n \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh t\u00ednh to\u00e1n t\u1ed1t h\u01a1n nh\u1eefng thu\u1eadt to\u00e1n kh\u00e1c.<\/p>\n

(Theo Investopedia<\/i>)<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n Thu\u1eadt to\u00e1n (ti\u1ebfng Anh: Algorithm) l\u00e0 s\u1ef1 thi\u1ebft l\u1eadp c\u00e1c ti\u00eau ch\u00ed ho\u1eb7c h\u01b0\u1edbng d\u1eabn \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 ho\u1eb7c ho\u00e0n th\u00e0nh m\u1ed9t nhi\u1ec7m v\u1ee5.\n <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[415],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/27187"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=27187"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/27187\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=27187"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=27187"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=27187"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}