"Dat Nguyen" <thucdat / hotmail.com> writes:

> irb(main):002:0> m1 = Matrix((1,2),(2,4))
> SyntaxError: compile error
> (irb):2: parse error
> m1 = Matrix((1,2),(2,4))

m1 = Matrix[[1,2],[2,4]]

Sorry, but it's brackets again ;-)

Regards


Dave