题目内容
(请给出正确答案)
[单选]
A attorney is a(n):()
A、approach
B、advise
C、lawyer
D、artist
查看答案
A、approach
B、advise
C、lawyer
D、artist
A、the judge
B、the lawyer
C、the jury
D、the defendant
设A=(aij)n×n,B(bij)n×n均为正定矩阵.证明:矩阵C=(aijbij)n×n也是正定矩阵.
设A=(aij)n×n,B(bij)n×n均为正定矩阵.证明:矩阵C=(aijbij)n×n也是正定矩阵.