Vandermonde matrix An n-square Vandermonde matrix is a matrix of the form 1 1 1 1 a a3 a喝 a喝 a . ,n-1 ,n-1 on-1 0 denoted by Vn(a1,a2,...,an)or simply V. Vandermonde matrices play a role in many places such as in- terpolation problems and solving systems of linear equations.Vandermonde matrix