Summing every ath term of a series using the roots of unity

• Autores: Christopher S. Withers, Saralees Nadarajah
• Localización: International journal of mathematical education in science and technology, ISSN 0020-739X, Vol. 45, Nº. 2, 2014, págs. 303-311
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • We give a simple method for finding the sum of every third (say) term of an analytic function. The main method uses the roots of unity. We also look at when these can be written in terms of square roots and cube roots.