Enter your matrix

* x1 + * x2 + * x3 + * x4 =
* x1 + * x2 + * x3 + * x4 =
* x1 + * x2 + * x3 + * x4 =
* x1 + * x2 + * x3 + * x4 =
Epsilon =

Invalid matrix!!!

Diagonal elements = 0

Epsilon dont equal 0 and less