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1、準考證號:010315101298姓名:郭浩(男) HYPERLINK /Appraise/Main.aspx?h=7B54F1B8 首頁 HYPERLINK /Appraise/PageNormal/ShowPolicies.aspx?t=1 t /Appraise/PageKS/_blank 使用說明 HYPERLINK /Appraise/PageNormal/ShowPolicies.aspx?t=2 t /Appraise/PageKS/_blank 政策與新聞 HYPERLINK /Appraise/PageNormal/ShowPolicies.aspx?t=3 t /Appra
2、ise/PageKS/_blank 通知通告 HYPERLINK /Appraise/PageEdu/ChangePassWord.aspx?h=7B54F1B8 修改密碼 HYPERLINK /Appraise/Default.aspx 退出考生綜合測評答題記錄返回 綜合測試 列表本套測試試卷共 27 題,共 100 分。答題得分:0分【題型:單選】【分數(shù):2分】 得分:0分1INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117101138367001.gif * MERGEFORMATINET ABCD答:答案:D【題型:單選】【分
3、數(shù):2分】 得分:0分2INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117100331296001.gif * MERGEFORMATINET ABCD答:答案:B【題型:單選】【分數(shù):2分】 得分:0分3INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117100644814001.gif * MERGEFORMATINET ABCD答:答案:D【題型:單選】【分數(shù):2分】 得分:0分4INCLUDEPICTURE d /Appraise/uploads/exam/201301
4、/20130117100118769001.gif * MERGEFORMATINET ABCD答:答案:A【題型:單選】【分數(shù):2分】 得分:0分5INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117101347486001.gif * MERGEFORMATINET ABCD答:答案:C【題型:單選】【分數(shù):2分】 得分:0分6INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117095055508001.gif * MERGEFORMATINET ABCD答:答案:B【題型:
5、單選】【分數(shù):2分】 得分:0分7INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117100848444001.gif * MERGEFORMATINET ABCD答:答案:D【題型:單選】【分數(shù):2分】 得分:0分8INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117101222474001.gif * MERGEFORMATINET ABCD答:答案:B【題型:單選】【分數(shù):2分】 得分:0分9INCLUDEPICTURE d /Appraise/uploads/exam/2
6、01301/20130117100536044001.gif * MERGEFORMATINET ABCD答:答案:C【題型:單選】【分數(shù):2分】 得分:0分10INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117095943815001.gif * MERGEFORMATINET ABCD答:答案:C【題型:填空】【分數(shù):2分】 得分:0分11INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117135721717001.gif * MERGEFORMATINET 答:的
7、薩達答案:2【題型:填空】【分數(shù):2分】 得分:0分12INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117140529887001.gif * MERGEFORMATINET 答:答案:2【題型:填空】【分數(shù):2分】 得分:0分13設(shè)A為45的矩陣,且秩(A)=2,則齊次方程Ax=0的基礎(chǔ)解系所含向量的個數(shù)是_答:答案:3【題型:填空】【分數(shù):2分】 得分:0分14INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117135544155001.gif * MERG
8、EFORMATINET 答:的薩達啊實打?qū)嵉拇鸢福?n【題型:填空】【分數(shù):2分】 得分:0分15INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117143941072001.gif * MERGEFORMATINET 答:大聲道撒答案:INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117144000871001.gif * MERGEFORMATINET -1,2,-1【題型:填空】【分數(shù):2分】 得分:0分16INCLUDEPICTURE d /Apprais
9、e/uploads/exercise/201301/20130117141414800001.gif * MERGEFORMATINET 答:答案:INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117141432630001.gif * MERGEFORMATINET 【題型:填空】【分數(shù):2分】 得分:0分17INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117142008336001.gif * MERGEFORMATINET (寫成小數(shù)形式,保留三位有效數(shù)字
10、)答:答案:0.333【題型:填空】【分數(shù):2分】 得分:0分18INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117135940930001.gif * MERGEFORMATINET 答:答案:-2【題型:填空】【分數(shù):2分】 得分:0分19INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117140951651001.gif * MERGEFORMATINET 答:答案:1【題型:填空】【分數(shù):2分】 得分:0分20設(shè)A為5階方陣,且r(A)=3,則線性空間W
11、=x|Ax=0的維數(shù)是_答:打算撒答案:2【題型:計算】【分數(shù):9分】 得分:0分21用配方法化二次型f(x1,x2,x3)=INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117170033417001.gif * MERGEFORMATINET 為標準形,并判別其正定性.INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117170306353001.gif * MERGEFORMATINET INCLUDEPICTURE d /Appraise/uploads/e
12、xercise/201301/20130117170306274002.gif * MERGEFORMATINET 為正定二次型(填是或不是)答:答案:f=INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117170336410001.gif * MERGEFORMATINET ,INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117170336765002.gif * MERGEFORMATINET INCLUDEPICTURE d /Appraise/upload
13、s/exercise/201301/20130117170336355003.gif * MERGEFORMATINET 故得標準型f=INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117170336503004.gif * MERGEFORMATINET 對于二次型矩陣INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117170336451005.gif * MERGEFORMATINET INCLUDEPICTURE d /Appraise/uploads/ex
14、ercise/201301/20130117170336516006.gif * MERGEFORMATINET 所以不是正定性的。1,1,-6;不是【題型:計算】【分數(shù):9分】 得分:0分22設(shè)3元二次型INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117164925964001.gif * MERGEFORMATINET ,求正交變換INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117164925552002.gif * MERGEFORMATINET ,將二
15、次型化為標準形正交矩陣的第一列元素為 , , ;第二列元素為 , , ;第三列元素為 , , 。(若為分數(shù)寫成小數(shù)形式,保留三位有效數(shù)字)標準形為INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117165143159001.gif * MERGEFORMATINET 答:答案:解:二次型的矩陣為INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117164953237001.gif * MERGEFORMATINET INCLUDEPICTURE d /Apprais
16、e/uploads/exercise/201301/20130117164953346002.gif * MERGEFORMATINET INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117164953033003.gif * MERGEFORMATINET ,特征值INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117164953966004.gif * MERGEFORMATINET ,INCLUDEPICTURE d /Appraise/uploads/exe
17、rcise/201301/20130117164953937005.gif * MERGEFORMATINET ,【題型:計算】【分數(shù):9分】 得分:0分23INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117162346763001.gif * MERGEFORMATINET 答:答案:INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117162406034001.gif * MERGEFORMATINET 特解的分量為-8,13,0,2,導出組中INCLUDEP
18、ICTURE d /Appraise/uploads/exercise/201301/20130117162429184001.gif * MERGEFORMATINET 的分量為-1 ,1,1,0?!绢}型:計算】【分數(shù):9分】 得分:0分24INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117120308101001.gif * MERGEFORMATINET 答:答案:48【題型:計算】【分數(shù):9分】 得分:0分25INCLUDEPICTURE d /Appraise/uploads/exercise/201301/2013
19、0117153203999001.gif * MERGEFORMATINET 極大線性無關(guān)組由第個向量,第個向量及第個向量組成;不在極大線性無關(guān)組中的第個向量可表為倍的第個向量+倍的第個向量+倍的第個向量。答:答案:INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117153451449001.gif * MERGEFORMATINET 極大線性無關(guān)組由第1個向量,第2個向量及第3個向量組成;不在極大線性無關(guān)組中的第4個向量可表為0倍的第1個向量+2倍的第2個向量+0倍的第3個向量?!绢}型:計算】【分數(shù):9分】 得分:0分26IN
20、CLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117152448370001.gif * MERGEFORMATINET X的第一行元素為 , ,第二行元素為 , ,第三行元素為 , .答:答案:INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117152504563001.gif * MERGEFORMATINET 3,-1,2,0,1,-1【題型:證明】【分數(shù):6分】 得分:0分27設(shè)A為mINCLUDEPICTURE d /Appraise/uploads/tas
21、ks/201301/20130117171812245001.gif * MERGEFORMATINET n實矩陣,ATA為正定矩陣.證明:線性方程組AINCLUDEPICTURE d /Appraise/uploads/tasks/201301/20130117171812363002.gif * MERGEFORMATINET =0只有零解.答:答案:左乘|轉(zhuǎn)置|可逆版權(quán)所有(C) 2013 HYPERLINK /Appraise/PageKS/KSExamLog.aspx?k=04184&h=7B54F1B8&id=19992 t /Appraise/PageKS/_blank 河南省招
22、生考試信息中心推薦瀏覽器:Internet Explorer 6+, FireFox 2+, Safari 4+, Opera 9+, Chrome準考證號:010315101298姓名:郭浩(男) HYPERLINK /Appraise/Main.aspx?h=7B54F1B8 首頁 HYPERLINK /Appraise/PageNormal/ShowPolicies.aspx?t=1 t /Appraise/PageKS/_blank 使用說明 HYPERLINK /Appraise/PageNormal/ShowPolicies.aspx?t=2 t /Appraise/PageKS/
23、_blank 政策與新聞 HYPERLINK /Appraise/PageNormal/ShowPolicies.aspx?t=3 t /Appraise/PageKS/_blank 通知通告 HYPERLINK /Appraise/PageEdu/ChangePassWord.aspx?h=7B54F1B8 修改密碼 HYPERLINK /Appraise/Default.aspx 退出考生綜合測評答題記錄返回 綜合測試 列表本套測試試卷共 27 題,共 100 分。答題得分:0分【題型:單選】【分數(shù):2分】 得分:0分1INCLUDEPICTURE d /Appraise/uploads/
24、exam/201301/20130117101208198001.gif * MERGEFORMATINET ABCD答:答案:B【題型:單選】【分數(shù):2分】 得分:0分2INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117100356484001.gif * MERGEFORMATINET ABCD答:答案:C【題型:單選】【分數(shù):2分】 得分:0分3INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117100820287001.gif * MERGEFORMATINET ABC
25、D答:答案:B【題型:單選】【分數(shù):2分】 得分:0分4INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117100142730001.gif * MERGEFORMATINET ABCD答:答案:C【題型:單選】【分數(shù):2分】 得分:0分5INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117100344711001.gif * MERGEFORMATINET ABCD答:答案:C【題型:單選】【分數(shù):2分】 得分:0分6INCLUDEPICTURE d /Appraise/upl
26、oads/exam/201301/20130117095840884001.gif * MERGEFORMATINET ABCD答:答案:D【題型:單選】【分數(shù):2分】 得分:0分7INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117101057430001.gif * MERGEFORMATINET ABCD答:答案:A【題型:單選】【分數(shù):2分】 得分:0分8INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117101402393001.gif * MERGEFORMATINE
27、T ABCD答:答案:D【題型:單選】【分數(shù):2分】 得分:0分9INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117100602853001.gif * MERGEFORMATINET ABCD答:答案:C【題型:單選】【分數(shù):2分】 得分:0分10INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117100901351001.gif * MERGEFORMATINET ABCD答:答案:C【題型:填空】【分數(shù):2分】 得分:0分11INCLUDEPICTURE d /Appra
28、ise/uploads/exercise/201301/20130117143104115001.gif * MERGEFORMATINET 答:是打算薩達是答案:2【題型:填空】【分數(shù):2分】 得分:0分12INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117140820354001.gif * MERGEFORMATINET 答:答案:2【題型:填空】【分數(shù):2分】 得分:0分13若矩陣INCLUDEPICTURE d /Appraise/uploads/exercise/201301/2013011717363409000
29、1.gif * MERGEFORMATINET 與矩陣INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117173634144002.gif * MERGEFORMATINET 相似,則INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117173634934003.gif * MERGEFORMATINET _答:答案:2【題型:填空】【分數(shù):2分】 得分:0分14INCLUDEPICTURE d /Appraise/uploads/exercise/201301/2
30、0130117135721717001.gif * MERGEFORMATINET 答:答案:2【題型:填空】【分數(shù):2分】 得分:0分15INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117144446567001.gif * MERGEFORMATINET (若某空處為非整數(shù),用小數(shù)表示)答:答案:INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117144523501001.gif * MERGEFORMATINET 0.5,0.5,0.5,5【題型:填空】【
31、分數(shù):2分】 得分:0分16已知向量=(1,2,-1)與向量=(0,1,y)正交,則y=_答:答案:2【題型:填空】【分數(shù):2分】 得分:0分17INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117142155190001.gif * MERGEFORMATINET 答:答案:0,-5,-5【題型:填空】【分數(shù):2分】 得分:0分18INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117140154407001.gif * MERGEFORMATINET 答:答案:
32、2【題型:填空】【分數(shù):2分】 得分:0分19INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117141539525001.gif * MERGEFORMATINET 答:答案:0【題型:填空】【分數(shù):2分】 得分:0分20INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117134934624001.gif * MERGEFORMATINET 答:答案:5【題型:計算】【分數(shù):9分】 得分:0分21INCLUDEPICTURE d /Appraise/upload
33、s/exercise/201301/20130117144850618001.gif * MERGEFORMATINET A的逆的第一行上的三個元素分別為 , , ,第二行上的三個元素分別為 , , ,第三行上的三個元素分別為 , , . (若某空處為分數(shù),用小數(shù)表示)答:答案:INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117145131514001.gif * MERGEFORMATINET 0.5,-1,0.5;0,1,-1;-0.5,0,0.5【題型:計算】【分數(shù):9分】 得分:0分22INCLUDEPICTURE d
34、 /Appraise/uploads/exercise/201301/20130117151956401001.gif * MERGEFORMATINET X的第一行元素為 , , ,第二行元素為 , , ,第三行元素為 , , .(若為分數(shù)寫成小數(shù)形式,若為無窮小數(shù)保留三位有效數(shù)字)答:答案:1,0.5,0;-0.333,1,0;0,0,2INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117151905787001.gif * MERGEFORMATINET 【題型:計算】【分數(shù):9分】 得分:0分23設(shè)矩陣INCLUDEPI
35、CTURE d /Appraise/uploads/exercise/201301/20130117163421041001.gif * MERGEFORMATINET ,求對角矩陣INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117163421373002.gif * MERGEFORMATINET 和可逆矩陣INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117163421663003.gif * MERGEFORMATINET ,使INCLUDEPICTURE
36、 d /Appraise/uploads/exercise/201301/20130117163421491004.gif * MERGEFORMATINET 對角矩陣INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117163421373002.gif * MERGEFORMATINET 對角線上的元素為 , , ;可逆矩陣P第一列上的元素為 , , ;第二列上的元素為 , , ;第三列上的元素為 , , 。答:答案:對角矩陣INCLUDEPICTURE d /Appraise/uploads/exercise/201301/2
37、0130117163421373002.gif * MERGEFORMATINET 對角線上的元素為1 ,1 ,6 ;可逆矩陣P第一列上的元素為0 ,1 ,0 ;第二列上的元素為-1 ,0 ,1 ;第三列上的元素為0.25 ,0.75 ,1 。(1)INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117163716836001.gif * MERGEFORMATINET INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117163716128002.gif * MER
38、GEFORMATINET ,特征值INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117163716922003.gif * MERGEFORMATINET 【題型:計算】【分數(shù):9分】 得分:0分24INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117154238464001.gif * MERGEFORMATINET 當t=時,向量組的秩為,極大線性無關(guān)組可由第個向量和第個向量組成;當t不等于時,向量組的秩為,極大線性無關(guān)組可由第個向量,第個向量和第個向量組成。
39、答:答案:當t=3時,向量組的秩為2,極大線性無關(guān)組可由第1個向量和第2個向量組成;當t不等于3時,向量組的秩為3,極大線性無關(guān)組可由第1個向量,第2個向量和第3個向量組成。INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117154301896001.gif * MERGEFORMATINET 【題型:計算】【分數(shù):9分】 得分:0分25INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117155246154001.gif * MERGEFORMATINET 其中得
40、到的特解的各分量分別為 , , , , ,基礎(chǔ)解系中INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117155532876001.gif * MERGEFORMATINET 的分量為 , , , , ,INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117155548238001.gif * MERGEFORMATINET 的分量為 , , , , .答:答案:INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20
41、130117155307168001.gif * MERGEFORMATINET -16,23,0,0,0;1,-2,0,1,0;5,-6,0,0,1【題型:計算】【分數(shù):9分】 得分:0分26INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117152705190001.gif * MERGEFORMATINET 答:答案:5,1INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117152719189001.gif * MERGEFORMATINET 【題型:證明】
42、【分數(shù):6分】 得分:0分27設(shè)A為mINCLUDEPICTURE d /Appraise/uploads/tasks/201301/20130117171812245001.gif * MERGEFORMATINET n實矩陣,ATA為正定矩陣.證明:線性方程組AINCLUDEPICTURE d /Appraise/uploads/tasks/201301/20130117171812363002.gif * MERGEFORMATINET =0只有零解.答:答案:左乘|轉(zhuǎn)置|可逆版權(quán)所有(C) 2013 HYPERLINK /Appraise/PageKS/KSExamLog.aspx?k
43、=04184&h=7B54F1B8&id=19993 t /Appraise/PageKS/_blank 河南省招生考試信息中心推薦瀏覽器:Internet Explorer 6+, FireFox 2+, Safari 4+, Opera 9+, Chrome準考證號:010315101298姓名:郭浩(男) HYPERLINK /Appraise/Main.aspx?h=7B54F1B8 首頁 HYPERLINK /Appraise/PageNormal/ShowPolicies.aspx?t=1 t /Appraise/PageKS/_blank 使用說明 HYPERLINK /Appr
44、aise/PageNormal/ShowPolicies.aspx?t=2 t /Appraise/PageKS/_blank 政策與新聞 HYPERLINK /Appraise/PageNormal/ShowPolicies.aspx?t=3 t /Appraise/PageKS/_blank 通知通告 HYPERLINK /Appraise/PageEdu/ChangePassWord.aspx?h=7B54F1B8 修改密碼 HYPERLINK /Appraise/Default.aspx 退出考生綜合測評答題記錄返回 綜合測試 列表本套測試試卷共 30 題,共 100 分。答題得分:0
45、分【題型:單選】【分數(shù):2分】 得分:0分1INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117100820287001.gif * MERGEFORMATINET ABCD答:答案:B【題型:單選】【分數(shù):2分】 得分:0分2INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117100142730001.gif * MERGEFORMATINET ABCD答:答案:C【題型:單選】【分數(shù):2分】 得分:0分3INCLUDEPICTURE d /Appraise/uploads/e
46、xam/201301/20130117100331296001.gif * MERGEFORMATINET ABCD答:答案:B【題型:單選】【分數(shù):2分】 得分:0分4INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117095158070001.gif * MERGEFORMATINET ABCD答:答案:B【題型:單選】【分數(shù):2分】 得分:0分5INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117101039107001.gif * MERGEFORMATINET ABCD
47、答:答案:D【題型:單選】【分數(shù):2分】 得分:0分6INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117101347486001.gif * MERGEFORMATINET ABCD答:答案:C【題型:單選】【分數(shù):2分】 得分:0分7INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117100551331001.gif * MERGEFORMATINET ABCD答:答案:B【題型:單選】【分數(shù):2分】 得分:0分8INCLUDEPICTURE d /Appraise/uplo
48、ads/exam/201301/20130117100848444001.gif * MERGEFORMATINET ABCD答:答案:D【題型:單選】【分數(shù):2分】 得分:0分9INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117100207472001.gif * MERGEFORMATINET ABCD答:答案:D【題型:單選】【分數(shù):2分】 得分:0分10INCLUDEPICTURE d /Appraise/uploads/exam/201301/20130117101508335001.gif * MERGEFORMATINE
49、T ABCD答:答案:A【題型:填空】【分數(shù):2分】 得分:0分11若矩陣INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117173634090001.gif * MERGEFORMATINET 與矩陣INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117173634144002.gif * MERGEFORMATINET 相似,則INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117173634934
50、003.gif * MERGEFORMATINET _答:答案:2【題型:填空】【分數(shù):2分】 得分:0分12INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117135721717001.gif * MERGEFORMATINET 答:答案:2【題型:填空】【分數(shù):2分】 得分:0分13INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117144446567001.gif * MERGEFORMATINET (若某空處為非整數(shù),用小數(shù)表示)答:答案:INCLUDEP
51、ICTURE d /Appraise/uploads/exercise/201301/20130117144523501001.gif * MERGEFORMATINET 0.5,0.5,0.5,5【題型:填空】【分數(shù):2分】 得分:0分14設(shè)A為45的矩陣,且秩(A)=2,則齊次方程Ax=0的基礎(chǔ)解系所含向量的個數(shù)是_答:從V型從v答案:3【題型:填空】【分數(shù):2分】 得分:0分15答:從V型從v答案:【題型:填空】【分數(shù):2分】 得分:0分16INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117142123705001.gi
52、f * MERGEFORMATINET 答:東方閃電答案:0【題型:填空】【分數(shù):2分】 得分:0分17答:東方閃電答案:【題型:填空】【分數(shù):2分】 得分:0分18INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117140037784001.gif * MERGEFORMATINET 答:答案:1【題型:填空】【分數(shù):2分】 得分:0分19INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117141414800001.gif * MERGEFORMATINET 答
53、:答案:INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117141432630001.gif * MERGEFORMATINET 【題型:填空】【分數(shù):2分】 得分:0分20INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117134604460001.gif * MERGEFORMATINET 答:答案:-2,-2,1,-1【題型:填空】【分數(shù):2分】 得分:0分21INCLUDEPICTURE d /Appraise/uploads/exercise/20130
54、1/20130117135817266001.gif * MERGEFORMATINET 答:答案:11【題型:填空】【分數(shù):2分】 得分:0分22INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117101946367001.gif * MERGEFORMATINET (寫成小數(shù)形式)答:答案:0.5【題型:計算】【分數(shù):9分】 得分:0分23INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117162750953001.gif * MERGEFORMATINET
55、可逆矩陣P的第一列元素為 , , ;第二列元素為 , , ;第三列元素為 , , 。對角矩陣對角線上的元素為 , , 。(若為分數(shù)寫成小數(shù)形式)答:答案:可逆矩陣P的第一列元素為0.5 ,1 ,1 ;第二列元素為 -1 ,-0.5 ,1 ;第三列元素為2 ,-2 ,1 。對角矩陣對角線上的元素為-2 ,1 ,4 。INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117162953090001.gif * MERGEFORMATINET 【題型:計算】【分數(shù):9分】 得分:0分24INCLUDEPICTURE d /Appraise
56、/uploads/exercise/201301/20130117120339089001.gif * MERGEFORMATINET 答:答案:5【題型:計算】【分數(shù):9分】 得分:0分25設(shè)3元二次型INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117164925964001.gif * MERGEFORMATINET ,求正交變換INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117164925552002.gif * MERGEFORMATINET ,將二次
57、型化為標準形正交矩陣的第一列元素為 , , ;第二列元素為 , , ;第三列元素為 , , 。(若為分數(shù)寫成小數(shù)形式,保留三位有效數(shù)字)標準形為INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117165143159001.gif * MERGEFORMATINET 答:答案:解:二次型的矩陣為INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117164953237001.gif * MERGEFORMATINET INCLUDEPICTURE d /Appraise
58、/uploads/exercise/201301/20130117164953346002.gif * MERGEFORMATINET INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117164953033003.gif * MERGEFORMATINET ,特征值INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117164953966004.gif * MERGEFORMATINET ,INCLUDEPICTURE d /Appraise/uploads/exer
59、cise/201301/20130117164953937005.gif * MERGEFORMATINET ,【題型:計算】【分數(shù):9分】 得分:0分26INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117152705190001.gif * MERGEFORMATINET 答:打算按時答案:5,1INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117152719189001.gif * MERGEFORMATINET 【題型:計算】【分數(shù):9分】 得分:0分27
60、答:打算按時答案:【題型:計算】【分數(shù):9分】 得分:0分28INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117120308101001.gif * MERGEFORMATINET 答:答案:48【題型:計算】【分數(shù):9分】 得分:0分29INCLUDEPICTURE d /Appraise/uploads/exercise/201301/20130117145903987001.gif * MERGEFORMATINET X第一行的元素為 , ,第二行的元素為 , .(若為分數(shù),寫成小數(shù)形式,保留三位有效數(shù)字)答:答案:IN
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