Vandermonde determinant
= Vandermonde determinant
{c}
{wiki}
The Vandermonde product $\prod_{i<j}(r_i-r_j)$ is alternating, and its square is the discriminant of the monic polynomial with roots $r_i$.
= Vandermonde determinant
{c}
{wiki}
The Vandermonde product $\prod_{i<j}(r_i-r_j)$ is alternating, and its square is the discriminant of the monic polynomial with roots $r_i$.