Returns the row and column coordinates in the original matrix for a specified sized random submatrix.
i1 : R = QQ[x,y,z]; |
i2 : M=matrix{{x^2,x^3,x^4},{y^4,y^2,y^3},{z^3,z^4,z^2}}; 3 3 o2 : Matrix R <--- R |
i3 : chooseRandomSubmatrix(2, M) o3 = {{1, 2}, {2, 1}} o3 : List |