Problem decimals operations Matlab

Hi!

I have a small problem on Matlab, while adding simple decimal numbers. It turns out that a small residual number appears:

   t = [0.3 0.6 0.9];

   t(1) + t(2) - t(3)
ans =
    -1.110223024625157e-16

How could I solve this?

Thanks!

Answer 1

[Azzi Abdelmalek]

Look at http://www.mathworks.com/matlabcentral/answers/57444-faq-why-is-0-3-0-2-0-1-not-equal-to-zero

[Martin]

Thanks, sorry for not seeing this before. :)