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Topic: Inequalities in matrices
Replies: 8   Last Post: Apr 23, 2013 5:04 PM

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quasi

Posts: 10,402
Registered: 7/15/05
Re: Inequalities in matrices
Posted: Apr 23, 2013 12:37 AM
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quasi wrote:
>gyansorova wrote:
>>
>>If I have
>>
>>A>B where A and B are the same type of matrices -
>>what does this mean?

>
>It usually means A[i,j] > B[i,j] for all i,j.


But the author needs to make that clear.

For example, for some other author, it could mean

A[i,j] >= B[i,j] for all i,j

and

A[i,j] > B[i,j] for at least one pair i,j.

It could even mean something else, just so long as it
satisfies the conditions for strict inequality.

quasi



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