### univariate Hermite polynomials up to order 3
hermite(3)
### multivariate Hermite polynomials up to order 2
hermite(order = 2,
sigma = matrix(c(1,0,0,1), nrow = 2),
var = c('z1', 'z2'))
### multivariate Hermite polynomials with transformation of variables
hermite(order = 2,
sigma = matrix(c(1,0,0,1), nrow = 2),
var = c('z1', 'z2'),
transform = c('z1+z2','z1-z2'))
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