Re: [理工] [線代]-特徵值
※ 引述《CCZR (阿翔)》之銘言:
: TRUE OR FALSE
: The rank of an n*n matrix A is equal to the number of nonzero eigenvalues
: of A , where eigenvalues are counted according to multiplicity.
: 老實說看不太懂題目,請板大解惑囉
直接舉個反例
a=[0 1]
[0 0]
rank a=1
nonzero eigenvalue 0
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