map(Module,Module,{...}) -- make a map

map(Module,Module,{...}) -- make a map

Synopsis:

Function: map -- make a map

Input:

an instance of class Module.

an instance of class List.

Output:

an instance of class Matrix.

Optional arguments :

map(..., Degree)

map(M,N,v) -- produces a map (matrix) from the module N to the module M whose entries are obtained from the doubly-nested list v of ring elements.

i1 : R = ZZ/101[x,y,z]



o1 = R



o1 : PolynomialRing

i2 : p = map(R^2,R^{-2,-2},{{x^2,0},{0,y^2}})



o2 = | x2 0  |

     | 0  y2 |



             2       2

o2 : Matrix R  <--- R

i3 : isHomogeneous p



o3 = true

See also:

map -- make a map

matrix -- make a matrix