back substitution 中文意思是什麼
back substitution
解釋
倒轉代換- back : n 1 背，背部；背脊；背面，反面；背後，後部，後面，裏面。2 （指）甲；（刀）背；（手）背；（書）背...
- substitution : n. 1. 代，代用，代替，更替，置換。2. 【化學】取代；【數學】代換；代入；【法律】預定繼承人；【語法】詞的代用。adj. -al ,-ary adj.
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The procedure for solving the eqs is called back substitution.
解方程組的這一步驟叫回代。 -
During back substitution 2503 elements encounter a load applied to a degree of freedom that does not have any stiffness. the elements have been identified in element set warnelembacksubnostiffstep1inc1
這個錯誤是什麼意思？如何解決？字面上看一個荷載加到一個沒有剛度的節點上怎麼解釋？謝謝！ -
Content : on the problem of multi - groups discrimination, the correct rates of back substitution of existing discriminate methods may be good for some data, yet it is not the case for another data. furthermore we ca n ' t evaluate the results of the discriminations
=在多個總體的判別問題中，已有的判別方法的判別回代率不太「穩定」 ，即對有些數據判別結果可能會好些，而對另外一些數據則不然。 -
Its essential idea is : 、 from g1, g2, …, gk choose a group g 1 ， it can be satisfied that g 1 can distinguish each sample to a greatest extend, i. e., using the existing discriminate methods ( choosing index and not - choosing index ) to judge each sample whether in g 1 or not in g 1 so as to maximize the correct rates of back substitution
其基本思想是： 、從g1 ， g2 ， … ， gk中尋找一個總體設為g 1 ，使得g 1能最大程度的區分各個樣品，即應用已有的判別方法（挑選因子的和不挑選因子的）使得判斷各樣品要麼屬于g 1 ，要麼不屬于g 1的正確率達到最大。 -
57 chelsea substitution mikel for cole. it ' s now three at the back
57分?切爾西換人：米克爾入替科爾。現在開始後防線只得三人了。
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