how to multiply only the second row of matrix with a number

4 次查看（过去 30 天）
Hung Tat Ho
Hung Tat Ho 2021-8-8
编辑： Hung Tat Ho 2021-8-8
how to multiply only the second row of matrix 2*2 with a random integer and change entry 2*2 to be equal to the entry (1,2)

请先登录，再回答此问题。

回答（1 个）

KSSV
KSSV 2021-8-8
If A is 2*2 matrix. To multiply the second row with a constant:
K = 5 ; % a constant
A(2,:) = K*A(2,:) ;
  3 个评论
显示 1更早的评论
Hung Tat Ho
Hung Tat Ho 2021-8-8
编辑：Hung Tat Ho 2021-8-8
thanks mate> do you know how to change entry matrix 2*2 to be equal to the entry matrix (1*2)?

请先登录，再进行评论。

类别

在 Help Center 和 File Exchange 中查找有关 Structures 的更多信息

标签

产品

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by