How to remove list to obtain sequence ?

Either

(%i2) diag_matrix(a,b);
(%o2) matrix([a,0],[0,b])

or

(%i3) apply('diag_matrix, [a,b]);
(%o3) matrix([a,0],[0,b])

--Barton

maxima-bounces at math.utexas.edu wrote on 07/28/2011 08:46:57 AM:

>
> I have a problem with this
> 
> (%i1) P: makelist(P[i], i, 1, 3);
> (%o1)                            [P , P , P ]
>                                    1   2   3
> (%i2) PP: diag_matrix(P);
> (%o2)                          [ [P , P , P ] ]
>                                [   1   2   3  ]
>