pub fn laplace_table(expr: &Expr) -> Result<Expr, LaplaceError>Expand description
Symbolic Laplace transform of expr in the time variable t, returning an Expr in
the complex frequency variable s. Handles constants (c → c/s), powers
(tⁿ → n!/s^{n+1}), negation, sums/differences, and scalar multiples; everything
else fails closed.