One way of mapping the elements of a two-dimensional array onto a vector. If a two-dimensional array, A, with m rows and n columns is mapped in row-major order onto a vector b with mn elements then
科学参考收录了60776条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。