... loan 3 thanh hlnh 2.2 khi st'!'dlfng giai thu<\itanh x£!.qui h6i hoan lOan phil h<;lpvai 1ythuye't dan-cleo tai b~n ding huanghlnh (2.3, 2.4, 2.5). Khi cho cac thalli so ... ni~mhfc gia, duQc xU'dl;!ngtrong nhling buoc tinh toan khi hi~n tuQng dan-nhot-deo xay fa. Xem hlnh 2.6. Ma sat khO khGng hO<;ltdQng khi CTp<Y. Bie'n d<;lngt6ng cQng tren mG hlnh ... daub gia sai s6 ta quail sat cae sai s6 sau day khi eho N (bu'de thaigian i = O,I, ,N,), m (bu'dekhong gianj = O,I, ,m,) tang d~n. Chli y khi tang mIen, d6ng thai v§:n eho N tang len...