How to calculate in a matrix

2 次查看（过去 30 天）
min wong
min wong 2016-11-29
评论： Laith Mohammed 2019-11-21
If I had a matrix A=[12 3 65,2 3 6,68 15 40]
I want to change second array of matrix A multiply 10
will be like A=[12 3 65,20 30 60,68 15 40]
How can I do ?
Thank you

请先登录，再回答此问题。

采纳的回答

KSSV
KSSV 2016-11-29
A=[12 3 65 ;2 3 6 ;68 15 40] ;
iwant = A ;
iwant(:,2) = 10*iwant(:,2) ;
Read about matrix indexing......

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Matrices and Arrays 的更多信息

标签

Community Treasure Hunt

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

Start Hunting!

Translated by