Let's say I have a vector x of positive real values and Then I have a matrix My question is: are all elements of outside of diagonal ? Some more information I have about matrix : and
Follow Math Help Forum on Facebook and Google+
Originally Posted by robustor Let's say I have a vector x of positive real values and Then I have a matrix My question is: are all elements of outside of diagonal ? The answer is Yes. The (i,j)-element of X is Use the inequality (which follows from the fact that ) to see that
Originally Posted by Opalg The answer is Yes. The (i,j)-element of X is Use the inequality (which follows from the fact that ) to see that Thanks. So now I have further that , where and and I also have , where and and is zero-diagonal What do we know about? So far the best I can prove is Is there a tighter bound?
View Tag Cloud