∮_γ f dz = 2πi Σ Res(f, z_k), summed over poles z_k enclosed by γ. Evaluates huge classes of real and complex integrals that have no elementary antiderivative.
∮_γ f dz = 2πi Σ Res(f, z_k), summed over poles z_k enclosed by γ. Evaluates huge classes of real and complex integrals that have no elementary antiderivative.