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Help, please Help please
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>> A=[1 2;3 4];
>> B=[9 8 7;6 5 4;3 2 1];
>> a=[11,12];
>> b=[21;22];
>> c=[19 18 17];
>> d=[29;28;27];
i am stuck on these questions , i did the rest but really stuck on these question , i spend almost 4 hours playing around with different ways, but can't get the right answer. any help will be much appreciated. Thank you soo much
回答 (1 件)
Walter Roberson
2014 年 4 月 26 日
Part F:
[A./A, a.', b; c, d(diff(a))]
It is foolish to have to synthesize the 1's by using something like A divided by A.
Part G:
[diag(A(diff(a),:)), diag(diag(A./A)); A./A, A-A]
Pretty silly too.
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