quasi
Posts:
11,770
Registered:
7/15/05


Re: Inequalities in matrices
Posted:
Apr 23, 2013 12:37 AM


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

