map(Module,Module,Matrix)

map(M,N,p) -- recasts the matrix p as a map (matrix) from the module N to the module M.

     i1 = R = ZZ/101[x,y,z]
     
     o1 = R
     
     o1 : PolynomialRing

     i2 = p = matrix {{x,y,z}}
     
     o2 = | x y z |
     
                  1       3
     o2 : Matrix R  <--- R

     i3 = q = map(R^1,R^3,p)
     
     o3 = | x y z |
     
                  1       3
     o3 : Matrix R  <--- R

     i4 = degrees source p
     
     o4 = {{1},{1},{1}}
     
     o4 : List

     i5 = degrees source q
     
     o5 = {{0},{0},{0}}
     
     o5 : List