工程數(shù)學(xué)線性代數(shù)(同濟(jì)大學(xué)第六版)課后習(xí)題答案

1、整理ppt3整理ppt4整理ppt5整理ppt6整理ppt7整理ppt8整理ppt9整理ppt10整理ppt11整理ppt12整理ppt13整理ppt14整理ppt15整理ppt16整理ppt17整理ppt18整理ppt19111abcbccaab(4)321110rrabcabccababc整理ppt205整理ppt21(6)123413411412112321314142321234011302220111123401130044200041 6rrrrrrrrrr整理ppt225.解方程：（1）2132322032(1)0323211132323(3)(3)0 xxxrxrxxrrxxx

2、xxxxx 121211111xxx整理ppt235.解方程：（2）222233331111xabcxabcxabc()()()()()()0ax bx cx ba ca cb整理ppt24 6 證明: (1)1112222bbaababa ( (a-a-b b) )3 3; ;整理ppt25整理ppt26整理ppt27整理ppt28整理ppt29整理ppt30整理ppt31整理ppt32整理ppt337整理ppt34整理ppt358整理ppt36整理ppt377整理ppt38整理ppt39整理ppt40（5）111222111nnnnaaaaaaaaaa1112221211111nnniii

3、iiinnnnnaaaaaarrraaaa整理ppt4122211111111(1)1111010(1)12,3,0001niinnnnnniiiiiiaaaaaaaara raain 整理ppt426整理ppt43整理ppt447整理ppt45整理ppt46整理ppt481.整理ppt49整理ppt50整理ppt51整理ppt52整理ppt532整理ppt543整理ppt554整理ppt56整理ppt575整理ppt586. （1）整理ppt59（2）整理ppt607.（1）設(shè) ，求3113A5051.AA和和225502252531311001313010100()010AAA255150

4、252525252531100130103 1010103 10AAA 整理ppt61（2）設(shè)100211,2 ,.34a=b=abTAA 求求2124183b aT 1009999)(2( 8)11243248( 8)1243612ab ababa(b a)(b ab a)bTTTTTTTA 整理ppt628.（1）整理ppt63（2）整理ppt649.整理ppt65整理ppt66整理ppt67整理ppt6810.整理ppt6912.整理ppt7013.整理ppt7114.整理ppt72整理ppt7313321,143 ,54134101.120AXBCABC其其中中（4）11733411,

5、110523101AB 117334110111105212031012317191225143XA CB整理ppt7415.整理ppt75整理ppt76整理ppt7717.整理ppt7818.整理ppt7919.整理ppt8020.整理ppt8121.整理ppt8222.整理ppt8323.整理ppt8424.整理ppt8525.整理ppt8626.整理ppt8727.整理ppt8828.1005(2)210430整理ppt89整理ppt91整理ppt92整理ppt93整理ppt94整理ppt95整理ppt964.整理ppt97整理ppt98整理ppt996.整理ppt100整理ppt101

6、(3)整理ppt1027.整理ppt103整理ppt104整理ppt10510.整理ppt106整理ppt107整理ppt10811.整理ppt10912.整理ppt11013.整理ppt111整理ppt112整理ppt113整理ppt11414.整理ppt115整理ppt116整理ppt117整理ppt118整理ppt11916. 設(shè)有線性方程組設(shè)有線性方程組12311210213 ,00215xxx 問問 取何值時(shí)，（取何值時(shí)，（1）有唯一解；（）有唯一解；（2）無解；（）無解；（3）有）有無限多個(gè)解，并在有無限多個(gè)解時(shí)求其通解。無限多個(gè)解，并在有無限多個(gè)解時(shí)求其通解。 整理ppt1201

7、7.整理ppt12118.整理ppt122整理ppt12319.整理ppt124整理ppt12520.整理ppt126整理ppt12721.整理ppt12822.整理ppt1301.整理ppt1312.整理ppt1323.整理ppt1334.5. (1)()min ( ),()1,()1,( )()()()2.TTTTTTTR aaR a R aR bbR AR aabbR aaR bb由由于于同同理理故故2(2),(0),(1),( )1.Ta bakb kAkbbR A若若線線性性相相關(guān)關(guān) 則則從從而而故故整理ppt1346.120. 需需要要補(bǔ)補(bǔ)正正整理ppt1359.整理ppt1361

8、0.整理ppt13711.123123,a a ab b b設(shè)設(shè)向向量量組組線線性性無無關(guān)關(guān)，判判斷斷向向量量組組的的線線性性相相關(guān)關(guān)性性。112321233123(2)23,224,;=3baaa baaabaaa123123123123123123(,)(,)221341123221 )3,341(,)(,),RR=Rbbbaaabbbaaabbb由由 于于( (故故，故故線線 性性 無無 關(guān)關(guān) 。整理ppt13812.整理ppt139整理ppt140整理ppt141整理ppt142整理ppt143整理ppt144整理ppt14519.整理ppt14621.整理ppt147整理ppt148

9、整理ppt14922.整理ppt15023.整理ppt15125.整理ppt15226.整理ppt15327.整理ppt154整理ppt15528.整理ppt15629.整理ppt157整理ppt15831.整理ppt15932.整理ppt16037.整理ppt16138.1113xP 整理ppt1632.整理ppt164整理ppt1653.整理ppt1664.整理ppt1676.整理ppt168整理ppt169整理ppt1709.10.整理ppt17112.整理ppt17213.整理ppt17315.整理ppt174整理ppt17519.整理ppt176整理ppt177整理ppt17821.整理ppt17922.整理ppt18023.整理ppt181整理ppt182整理ppt18325.整理ppt184整理ppt185zyxzyxf12122212126.整理ppt18