divide a matrix per a vector
显示 更早的评论
Hi, I have a matrix A(7x1001) and a matrix B(1x7).
I'd like to divide the first row of A for the first colum(element) of B,
second row of A for the second column in B, and so on.
A and B are in attached
采纳的回答
per isakson
2019-12-11
Try
C = A ./ reshape( U2, [],1 );
5 个评论
Paul Rogers
2019-12-12
Guillaume
2019-12-12
not working is a completely useless statement on its own.
It's not working because...
- you get an error, if so what is the full text of the error message?
- not giving you the result you expected, if so what did you get and how does it differ from what you expected?
We can't see your screen so can't guess why it's not working.
Completely unrelated, if A is 7x1001 why isn't B 7x1 instead of 1x7 to be consistent?
Paul Rogers
2019-12-12
Guillaume
2019-12-12
Oh, you're on a very old version, which doesn't have implicit expansion:
C = bsxfun(@rdivide, A, B(:));
However, again, why isn't B a column vector (7x1) instead of a row vector (1x7)? This would avoid the transpose/reshape and would make it consistent with the shape of A.
Paul Rogers
2019-12-12
更多回答（0 个）
类别
在 帮助中心 和 File Exchange 中查找有关 Creating and Concatenating Matrices 的更多信息
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!
Translated by 
