BellY
BellY[n, k, {x1, ..., xn-k+1}] gives the partial Bell polynomial Yn,k(x1, ..., xn-k+1).
BellY[n, k, m] gives the generalized partial Bell polynomial of a matrix m.
BellY[m] gives the generalized Bell polynomial of a matrix m.
Examples
Compute a partial Bell polynomial:
BellY[3, 2, {x1, x2}]Please visit the official Wolfram Language Reference for more details.