Los siguientes códigos corren en línea en la página: https://sagecell.sagemath.org/
x, y = var('x, y')
solve([x+y==6, 2*x+2*y==12], x, y)
A = matrix([[1,2,3],[4,5,6]]);
A.echelon_form()
A = matrix([[1,2,3],[4,5,6]]);
A.rref()
Referencia: https://doc.sagemath.org/html/en/tutorial/tour_linalg.html
A = Matrix([[1,2,3],[3,2,1],[1,1,1]])
w = vector([1,1,-4])
A.dimensions()
A = Matrix([[1,2,3],[3,2,1],[1,1,1]])
A.LU()
A = Matrix([[1,2,3],[3,2,1],[1,1,1]])
A.det()
A = Matrix([[1,2,3],[3,2,1],[1,1,1]])
A.adjugate()
A = matrix([[10, -18], [6, -11]])
A.eigenvalues()
A = matrix([[10, -18], [6, -11]])
A. eigenvectors_right()
A = matrix([[10, -18], [6, -11]])
A.characteristic_polynomial()