三阶矩阵 为矩阵A的转置,已知r(ATA)=2,且二次型 (1)求a; (2)求二次型对应的二次矩阵,并将二次型化为标准型,写出正交变换过程。

作者: tihaiku 人气: - 评论: 0
问题 三阶矩阵 为矩阵A的转置,已知r(ATA)=2,且二次型 (1)求a; (2)求二次型对应的二次矩阵,并将二次型化为标准型,写出正交变换过程。
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解析 (1)由r(ATA)=r(A)=2可得, (2)

相关内容:三阶,矩阵,转置,二次型,过程

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