Info
此问题已关闭。 请重新打开它进行编辑或回答。
Could anyone help me how to multiply the second and third element of the row in a matrix by an value of 2 and 3.
1 次查看(过去 30 天)
显示 更早的评论
I am having the matrix A=[ 2 3 4]
I want to multiply the second element by 2 and third element by 3.
could anyone please help me on this.
0 个评论
回答(1 个)
Sindar
2020-2-21
A=[ 2 3 4];
A(2) = A(2)*2;
A(3) = A(3)*3;
More generally, you can use elementwise multiplication:
A=[ 2 3 4 5 6 7 8];
A = A.*[1:7];
Also, this is a great resource for starting out in Matlab: https://www.mathworks.com/company/newsletters/articles/matrix-indexing-in-matlab.html
0 个评论
此问题已关闭。
另请参阅
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!