[線代] norm問題

[handsomepow (handsomepow)]

1.In general, which matrix norm is easier to compute,

||A||_1 or ||A||_2 ? Why?

(這題真的想不通...)


2.If ||A|| = 0, then A = O, where O is the zero matrix.

(不知道怎說明是對的)

請高手幫忙一下 感謝

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