Muaj pes tsawg subsets nyob rau hauv ib txheej nrog 7 ntsiab?
Muaj pes tsawg subsets nyob rau hauv ib txheej nrog 7 ntsiab?

Video: Muaj pes tsawg subsets nyob rau hauv ib txheej nrog 7 ntsiab?

Video: Muaj pes tsawg subsets nyob rau hauv ib txheej nrog 7 ntsiab?
Video: Машинное обучение с Python! Обучение, тестирование, разделение для оценки моделей 2024, Kaum ib hlis
Anonim

Rau txhua tus subset nws tuaj yeem muaj lossis tsis muaj keeb . Rau txhua tus keeb , muaj 2 possibilities. Muab cov no ua ke peb tau 2 7 lub 128 subsets . Rau generalization tag nrho cov naj npawb ntawm subsets ntawm a teeb muaj n cov ntsiab lus n2 zog.

Yog li ntawd, pes tsawg subsets nyob rau hauv ib txheej ntawm 10 ntsiab?

Yog li muaj 2n ua tau subsets koj ua tau. Yog li ntawd, T = 2 10 = 1024 thiab 11 ntawm lawv muaj 9 lossis ntau dua cov ntsiab lus.

Tsis tas li ntawd, pes tsawg subsets nyob rau hauv ib pawg n ntsiab? Nrhiav tau ib txoj cai los txiav txim tag nrho cov naj npawb ntawm subsets rau ib tug muab teeb : A teeb nrog n ntsiab muaj 2 subsets . Pom muaj kev sib txuas ntawm tus lej ntawm subsets ntawm txhua qhov loj nrog cov lej hauv Pascal daim duab peb sab. Tshawb nrhiav txoj hauv kev nrawm los xam cov lej no siv Kev Sib Txuas.

Qhov thib ob, pes tsawg subsets nyob rau hauv ib pawg ntawm 8 yam?

256 subsets

Muaj pes tsawg subsets nyob rau hauv ib txheej nrog 5 yam?

32 subsets

Pom zoo: