名校
1 . 设2阶方矩阵
,则矩阵A所对应的矩阵变换为:
,其中
,
,其意义是把点
变换为点
,矩阵M叫做变换矩阵.
(1)当变换矩阵
时,点
,
经矩阵变换后得到点分别是
,
,求经过
,
的直线的方程;
(2)当变换矩阵
,点
经矩阵
的作用变换后得到点
,求实数m,n的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66226d08dd84a2e6dc096c3fcfc7e41c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc163fa0a2929ff019012aa3623088b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/909e45af90756a0dc1fee910b1661974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8061249592e9502a68f0d5b52172724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b08f646952c521d4f022af322b179a0a.png)
(1)当变换矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8b0cf31caa3e7c5c7dced1559726f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98ef6b26186130f8d88c66d3b3c78fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f87cae2228b72a1ec635860203496967.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5326817f9af012432a202749d1df59f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e210795a966bd5dc1293479ab1988b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5326817f9af012432a202749d1df59f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e210795a966bd5dc1293479ab1988b.png)
(2)当变换矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5184ca29a211cfb1c6b492993a608edd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/518dfce0a9aab04171383586c5077146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8fd27ebdd03bd80b1843c3f79e55ee.png)
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名校
2 . 已知矩阵
,向量
.
(1)求矩阵
的特征值及属于每个特征值的一个特征向量;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/089e786688812090072d0629c610786c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/574626740f4741c2e515c2933dfa3fcd.png)
(1)求矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85bfab60deb300101c5033e9c6921fd8.png)
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2020-04-25更新
|
77次组卷
|
2卷引用:江苏省苏州市高新区第一中学2018-2019学年高二下学期5月阶段调研理科数学试题
3 . (1)已知矩阵
,矩阵
的逆矩阵
,求矩阵
.
(2)已知矩阵
的一个特征值为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1d0410e84d68d63e459ddd38e99904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b20490758703d7d98d03c7196c0955e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)已知矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bfa8cb201dda40c9cb5dd949e8359c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a16fc7ee0ddf5893ea5b87652889c0f9.png)
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4 . 已知
,
为矩阵
的两个特征向量.
(1)求矩阵
;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6168d105cc2363577de2064692075ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ff644eed2cd4e3d7e10f1a5d8387f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7dee4a031614884c0a0e9c31ff2cb7.png)
(1)求矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c35691dd885a8f99cbfa4ebb2f97276.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afe3c011e0c53ad0dbf9858956616c5b.png)
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2014高三·全国·专题练习
名校
5 . 已知直线l:ax+y=1在矩阵A=
对应的变换作用下变为直线l′:x+by=1.
(1)求实数a、b的值;
(2)若点P(x0,y0)在直线l上,且A
=
,求点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e327f21874ccdfe1bccca54042df2133.png)
(1)求实数a、b的值;
(2)若点P(x0,y0)在直线l上,且A
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1589e62ec7b9fe682f402351c5cfab76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1589e62ec7b9fe682f402351c5cfab76.png)
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