英语翻译
问题描述：
英语翻译
that is ,it is of the form where B=[P1,Pj1,...,Pjm] is an (m+1)-rowed square matrix and V is a matrix of m+1 rows and L-columns whose ith row is denoted by Vi.
答
那就是说,它是由如下组成：B=[P1,Pj1,...,Pjm] 是m+1行方阵,V是m+1行L列矩阵,其第i行用Vi表示