V

Vandermonde determinant The determinant of an n × n square matrix of which each row consists of the 0th to (n − 1)st powers of

one of n given numbers x1, . . . , xn:

det

⎡

⎢ ⎢ ⎣

1 x1 · · · xn−11 1 x2 · · · xn−12· · · 1 xn · · · xn−1n

⎤

⎥ ⎥ ⎦ =

∏

( xj − xk

) .