资源描述:
《国家精品课程-哈工大05年线代期末试题》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、05秋05级《代数与几何》期末试卷(此卷满分50分)一、填空题(每小题2分,共10分)1.在空间直角坐标系中,点到直线的距离为.2.若阶方阵满足,,则.3..5.若是方阵的一个特征向量,则,是的全部特征值.二、选择题(每小题2分,共10分)1.设是矩阵,对于线性方程组,下列结论正确的是(A)若,该方程组有无穷多解.(B)若,该方程组有解.(C)若,该方程组有唯一解.(D)若,该方程组无解.【】2.设有阶矩阵,维列向量组(I);(II),则(A)若(I)相关,则(II)相关.(B)若(II)相关,则
2、(I)相关.(C)若可逆,则(II)无关.(D)若(II)无关,则可逆.【】3.坐标面上的双曲线绕轴旋转一周,所生成的旋转曲面的方程为.(A).(B).(C)(D).【】4.(A).(B).(C).(D).【】officiallyestablishedonJuly1,2013,Yibincity,formerlyknownasthebus,integratedoriginalrongzhoubuscompanyinYibincityandMetrobuscompany,formedonlyinYi
3、bincityofaState-ownedpublictransportenterprises,thecompanyconsistsofoneortwo,thirdDivision.Integrationofpublictransportservicesisnotyetestablished第9页(共6页)(A)(B)(C)(D)【】officiallyestablishedonJuly1,2013,Yibincity,formerlyknownasthebus,integratedorigina
4、lrongzhoubuscompanyinYibincityandMetrobuscompany,formedonlyinYibincityofaState-ownedpublictransportenterprises,thecompanyconsistsofoneortwo,thirdDivision.Integrationofpublictransportservicesisnotyetestablished第9页(共6页)三、(本题5分)当等于何值时,方程组无解,有唯一解,有无穷多解?当有
5、无穷多解时,写出通解.四、(本题5分)求直线在平面上的投影直线的方程.officiallyestablishedonJuly1,2013,Yibincity,formerlyknownasthebus,integratedoriginalrongzhoubuscompanyinYibincityandMetrobuscompany,formedonlyinYibincityofaState-ownedpublictransportenterprises,thecompanyconsistsofon
6、eortwo,thirdDivision.Integrationofpublictransportservicesisnotyetestablished第9页(共6页)五、(本题5分)已知与相似,其中,.(1)求;(2)求一个与相似的对角阵;(3)求的特征多项式.officiallyestablishedonJuly1,2013,Yibincity,formerlyknownasthebus,integratedoriginalrongzhoubuscompanyinYibincityandMet
7、robuscompany,formedonlyinYibincityofaState-ownedpublictransportenterprises,thecompanyconsistsofoneortwo,thirdDivision.Integrationofpublictransportservicesisnotyetestablished第9页(共6页)officiallyestablishedonJuly1,2013,Yibincity,formerlyknownasthebus,inte
8、gratedoriginalrongzhoubuscompanyinYibincityandMetrobuscompany,formedonlyinYibincityofaState-ownedpublictransportenterprises,thecompanyconsistsofoneortwo,thirdDivision.Integrationofpublictransportservicesisnotyetestablished第9页(共6页)officiallyest