设A是m×n矩阵,B是ι×s矩阵,如果A•B有意义,则一定有()
A.m=1
B.m=s
C.n=1
D.n=s
正确答案是C
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/947298.html
上一篇:全要素生产效率的高低取决于()
下一篇:American High SchoolHave you ever wondered what an American high school is really like? This article will describe a typical high school and it students.A typical American high school has several large buildings and enough space for about 1,5