西工大19秋《线性代数》在线作业

adminhan

<img width="393" height="378" alt="" src="http://file.open.com.cn/ItemDB/126933/9b1bd4b0-dd44-4e96-b546-47f162e2c48e/2014122722274894.jpg" />1
A:A
B:B
C:C
D:D

<p><img alt="" width="581" height="167" src="http://file.open.com.cn/ItemDB/126933/ee5c441a-1918-4ba4-b1e8-966baebc6fa4/2014122502734722.jpg" />1</p>
A:<font face="宋体">相似变换矩阵</font><span style="FONT-STYLE: normal; FONT-FAMILY: 'Helvetica Neue'; BACKGROUND: rgb(245,245,245); COLOR: rgb(51,51,51); FONT-SIZE: 10.5pt; FONT-WEIGHT: normal; mso-spacerun: 'yes'; mso-shading: rgb(245,245,245); mso-highlight: rgb(255,255,0)"><o:p></o:p></span>
B:<font face="宋体">相近变换矩阵</font><span style="FONT-STYLE: normal; FONT-FAMILY: 'Helvetica Neue'; BACKGROUND: rgb(245,245,245); COLOR: rgb(51,51,51); FONT-SIZE: 10.5pt; FONT-WEIGHT: normal; mso-spacerun: 'yes'; mso-shading: rgb(245,245,245); mso-highlight: rgb(255,255,0)"><o:p></o:p></span>
C:<font face="宋体">相似变换</font><span style="FONT-STYLE: normal; FONT-FAMILY: 'Helvetica Neue'; BACKGROUND: rgb(245,245,245); COLOR: rgb(51,51,51); FONT-SIZE: 10.5pt; FONT-WEIGHT: normal; mso-spacerun: 'yes'; mso-shading: rgb(245,245,245); mso-highlight: rgb(255,255,0)"><o:p></o:p></span>
D:<font face="宋体">相近变换</font>

<img alt="" width="244" height="291" src="http://file.open.com.cn/ItemDB/126933/6ffec94d-b9b4-4d0f-9dfd-86643f23c3a9/2014122502519764.jpg" />1
A:错误
B:正确

<img width="273" height="218" alt="" src="http://file.open.com.cn/ItemDB/126933/95a9d06b-18a5-4f3f-abca-3d7dc4ab3963/2014122502626985.jpg" />1
A:错误
B:正确

<img alt="" width="562" height="156" src="http://file.open.com.cn/ItemDB/126933/4cf20134-42b0-47d0-862e-3d442d13f674/2014122501632228.jpg" />1
A:错误
B:正确

<img alt="" width="565" height="256" src="http://file.open.com.cn/ItemDB/126933/e29cac06-7cd0-48fd-b8c8-4d59d4eef76f/2014122502326197.jpg" />1
A:错误
B:正确

<img alt="" width="564" height="170" src="http://file.open.com.cn/ItemDB/126933/6ea8ea08-0f8e-4ff6-9aab-eda47ae9dc75/2014122502414715.jpg" />2
A:错误
B:正确

<p style="LINE-HEIGHT: 15pt; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 22.5pt; BACKGROUND: rgb(245,245,245)" class="p0"><span style="FONT-STYLE: normal; FONT-FAMILY: 'Helvetica Neue'; BACKGROUND: rgb(245,245,245); COLOR: rgb(51,51,51); FONT-SIZE: 10.5pt; FONT-WEIGHT: normal; mso-spacerun: 'yes'; mso-shading: rgb(245,245,245)">下面叙述是否正确？&nbsp;二次型与实对称矩阵之间是一一对应的关系。</span><span style="FONT-STYLE: normal; FONT-FAMILY: 'Helvetica Neue'; BACKGROUND: rgb(245,245,245); COLOR: rgb(51,51,51); FONT-SIZE: 10.5pt; FONT-WEIGHT: normal; mso-spacerun: 'yes'; mso-shading: rgb(245,245,245)"><o:p></o:p></span></p><!--EndFragment-->
A:错误
B:正确

<img width="572" height="198" alt="" src="http://file.open.com.cn/ItemDB/126933/8f8ea2a6-eecf-443c-aec9-06c6ec34b224/2014122501727496.jpg" />1
A:错误
B:正确

<img width="454" height="211" alt="" src="http://file.open.com.cn/ItemDB/126933/faeef7af-639b-4645-883e-916edf57b8c6/2014122502352136.jpg" />1
A:错误
B:正确

<img width="240" height="174" alt="" src="http://file.open.com.cn/ItemDB/126933/f28f7fb3-fa3d-44b5-a772-dbdc24f1995a/201412250211223.jpg" /><p style="LINE-HEIGHT: 15pt; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 22.5pt; BACKGROUND: rgb(245,245,245)" class="p0"><span style="FONT-STYLE: normal; FONT-FAMILY: 'Helvetica Neue'; BACKGROUND: rgb(245,245,245); COLOR: rgb(51,51,51); FONT-SIZE: 10.5pt; FONT-WEIGHT: normal; mso-spacerun: 'yes'; mso-shading: rgb(245,245,245)">请检查答案是否正确？</span><span style="FONT-STYLE: normal; FONT-FAMILY: 'Helvetica Neue'; BACKGROUND: rgb(245,245,245); COLOR: rgb(51,51,51); FONT-SIZE: 10.5pt; FONT-WEIGHT: normal; mso-spacerun: 'yes'; mso-shading: rgb(245,245,245)"><o:p></o:p></span></p><!--EndFragment-->
A:错误
B:正确

<img alt="" width="559" height="130" src="http://file.open.com.cn/ItemDB/126933/ee826f51-8c90-4736-a8f1-08f1109ebd7c/2014122502127661.jpg" />1
A:错误
B:正确

<img width="203" height="244" alt="" src="http://file.open.com.cn/ItemDB/126933/974679d2-8e11-4620-97f7-9d6c91c28f23/2014122502459482.jpg" />1
A:错误
B:正确

<img alt="" width="282" height="194" src="http://file.open.com.cn/ItemDB/126933/c018fe88-8b3a-4091-83f2-314a0a722550/2014122502034362.jpg" />1
A:错误
B:正确

<img alt="" width="172" height="217" src="http://file.open.com.cn/ItemDB/126933/21554935-2202-4832-a346-b11af80e9a16/201412250262312.jpg" />1
A:错误
B:正确

<img width="242" height="161" alt="" src="http://file.open.com.cn/ItemDB/126933/277dfe83-2555-4cd5-808e-fd5034d75650/201412250209783.jpg" />1
A:错误
B:正确

<img width="223" height="199" alt="" src="http://file.open.com.cn/ItemDB/126933/77e2c8d1-201b-4339-a700-bd4c7a3c52f3/2014122502547593.jpg" />1
A:错误
B:正确

<img width="327" height="42" alt="" src="http://file.open.com.cn/ItemDB/126933/bcbdec5b-e7fa-40b4-8465-e1e41fe32bf9/2014122501646775.jpg" />1
A:错误
B:正确

<img alt="" width="271" height="84" src="http://file.open.com.cn/ItemDB/126933/8ecafd2e-e0a5-4854-9d69-5d0afb8171fd/201412250170651.jpg" />1
A:错误
B:正确

<img width="484" height="205" alt="" src="http://file.open.com.cn/ItemDB/126933/473ef4f0-81bf-4444-9e69-21304e26e0c8/201412250232946.jpg" />1
A:错误
B:正确

<img alt="" width="285" height="51" src="http://file.open.com.cn/ItemDB/126933/762cd5ec-a19d-440b-93bb-b6fb7c3796c6/2014122501943985.jpg" />1
A:错误
B:正确

<img alt="" width="282" height="46" src="http://file.open.com.cn/ItemDB/126933/1806d2bc-7be1-431c-a436-05b0d55c2b93/201412250195625.jpg" /><p style="LINE-HEIGHT: 15pt; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 22.5pt; BACKGROUND: rgb(245,245,245)" class="p0"><span style="FONT-STYLE: normal; FONT-FAMILY: 'Helvetica Neue'; BACKGROUND: rgb(245,245,245); COLOR: rgb(51,51,51); FONT-SIZE: 10.5pt; FONT-WEIGHT: normal; mso-spacerun: 'yes'; mso-shading: rgb(245,245,245)">下面描述是否正确</span><span style="FONT-STYLE: normal; FONT-FAMILY: 'Helvetica Neue'; BACKGROUND: rgb(245,245,245); COLOR: rgb(51,51,51); FONT-SIZE: 10.5pt; FONT-WEIGHT: normal; mso-spacerun: 'yes'; mso-shading: rgb(245,245,245)"><o:p></o:p></span></p><!--EndFragment-->
A:错误
B:正确