On 11/8/18 1:05 PM, Marduk wrote:
3) How can one tell FriCAS that a>0 in the Gaussian integral?

Write a=A^2 :

(1) -> inf ==> %plusInfinity; integrate(exp(-A^4*x^2),x=-inf..inf)

         ┌───┐
        \│%pi
   (1)  ──────
           2
          A
                  Type: Union(f1: OrderedCompletion(Expression(Integer)),...)


another sad physicist...


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