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4.6.1 Introduction to Vectors
An object of type VECTOR in CoCoA represents a vector of polynomials. If V is a vector and F is a polynomial, then the following are also vectors: 
   +V, -V, F*V, V*F.
If V and W are vectors with the same number of components, then one may add and subtract V and W componentwise: 
    V+W, V-W.


Example 
  Use R ::= QQ[x,y];
  V := Vector(x+1,y,xy^2);
  V;
Vector(x + 1, y, xy^2)
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  -V;
Vector(-x - 1, -y, -xy^2)
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  x*V;
Vector(x^2 + x, xy, x^2y^2)
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  W := Vector(x,y,x^2y^2-y);
  x*V-W;
Vector(x^2, xy - y, y)
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