2006), p. 7, describes a green flag with white crescent and stars being raised on Algerian pirate vessels in 1812. According to Tarek Kahlaoui, Creating
vectors and components of tensors with subscripts, e.g. xi. Indices are "raised" or "lowered" by multiplication by an appropriate matrix, often the identity
(原始内容存档于2021-08-02). Marquard, Bryan. Timothy Evans, whose life with neurofibromatosis raised awareness and research funding, dies at 47. The Boston Globe. February 24