The method calculates \(\int_{-\infty}^{x} h_k(t) dt\) for \(k=0,\dots,N\) and the vector of values x.
hermite_int_lower(N, x, hermite_function_matrix = NULL)
A numeric matrix with N+1 rows and length(x) columns.
An integer number.
A numeric vector.
A numeric matrix. A matrix of Hermite function values.