5.21 How to plot matrix data?

Matlab is much easier here. In maple, need to covert the matrix to a list of list of points first.

restart; 
H := LinearAlgebra:-HilbertMatrix(5): 
nRow,nCol :=LinearAlgebra[Dimension](H): 
L:=[seq([seq( [i,j,H[i,j]], i=1..nRow) ], j=1..nCol)]: 
plots:-surfdata(L);