Hello everyone Anyone know if there is implementation of Kramers-kronig relations[1] in any package? Thanks in advance for your attention. Cleber Borges [1] - https://en.wikipedia.org/wiki/Kramers%E2%80%93Kronig_relations --- Este email foi escaneado pelo Avast antivírus. https://www.avast.com/antivirus [[alternative HTML version deleted]]