starting value of original integration.
end value of original integration.
weight function. The default value of this parameter is (F x) => F(1).
if the integration is formed as int_a^b f(x) exp(-x) dx, this value is Yes. otherwise No.
division points of trapezoidal quadrature.
starting value of integration transformed by DE-formula.
starting value of integration transformed by DE-formula.
Initialize an object for computing DE integration.