If you know how to use matrices, you can just "divide" the column
vector [4 7 19] by the coefficient matrix [3 -2 1 ...]. The matrix
writer makes it easy to enter matrices. Download the User's Guide to
see lots of different ways of solving systems. (I'm just learning
myself.)
Richard in NC
vector [4 7 19] by the coefficient matrix [3 -2 1 ...]. The matrix
writer makes it easy to enter matrices. Download the User's Guide to
see lots of different ways of solving systems. (I'm just learning
myself.)
Richard in NC
--- In 50g@yahoogroups.com, "missing_u1905" <missing_u1905@...> wrote:
>
> hi, im having some basic problems, i just bought my 50g but there
are
> some basic thing i dont know how to do, like solving systems of
> equations of 3 unknowns, like:
> 3a-2b+1c=4
> a+4b-5c=7
> 5a-6b-9c=19
>
> for that kind of equations im still using my casio calculator =( ,
so
> i hope you can help me, thanks!
>