在长度为n的线性表中寻找最大项,在最坏的情况下要比较的次数

A.n+1B.n-1C.nD.n/2
2025-03-16 00:13:27
推荐回答(4个)
回答1:

【知识点】若矩阵A的特征值为λ1,λ2,,λn,那么|A|=λ1·λ2··λn【解答】|A|=1×2××n=n!设A的特征值为λ,对于的特征向量为α。则Aα=λα那么(A²-A)α=A²α-Aα=λ²α-λα=(λ²-λ)α所以A²-A的特征值为λ²-λ,对应的特征向量为αA²-A的特征值为0,2,6,,n²-n【评注】对于A的多项式,其特征值为对应的特征多项式。线性代数包括行列式、矩阵、线性方程组、向量空间与线性变换、特征值和特征向量、矩阵的对角化,二次型及应用问题等内容。

回答2:

您好,请问书上写的是什么呢

回答3:

最坏就是比较n-1次
答案B

回答4:

最坏的情况下要比较

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