On Sun, Dec 29, 2013 at 9:17 AM, Tharindu Rusira <tharindurus...@gmail.com>wrote:
> Thanks Chameera and Sebestian for sharing your expertise :) > Just wanted to know the reason behind the absence of an equality check for > Matrices. > For what it is worth, here is the one liner that does this comparison: a.minus(b).aggregate(Functions.MAX, Functions.ABS) This gives you a value which is the magnitude of the largest absolute difference between elements of matrix a and matrix b. For vectors, you can economize a little on typing with this: a.minus(b).norm(1) This is the sum of the absolute values of the differences.