Re: Zero or not? ·［Xaero Chang]

[Xaero Chang]

在 Sun, 22 Jul 2007 01:07:56 +0800，<address@hidden> 写道:

> Re: Zero or not?
> Ok. Is there a way to predict the expected offset? I need to test if the  
> sums across the columns of a matrix are zero, or at least within the  
> bounds expected from the IEEE arithmetic.
> Matthias

For example , if you would like to test the sums across the columns of  
matrix 'A'
are zeros or not, you may try the following code:

sum(A)<eps


--
Xaero Chang.
http://xaero.mmiyy.cn
Major in Economics&Finance. Interested in Matlab&Octave