How do I implement bsxfun column-wise?
1 次查看(过去 30 天)
显示 更早的评论
Say I have a 5x5 matrix A and a 1x5 vector B and a function func that takes a column and a scalar as an argument and returns a scalar. I want to take every column in A and every corresponding element in B, put them into func and store the result in a vector without using for-loops. Basically I want to implement this without explicit loops:
for n=1:length(A)
C(n)=func(A(:,n),B(n));
end
Where C is the vector that's returned.
0 个评论
回答(1 个)
James Tursa
2019-5-16
编辑:James Tursa
2019-5-16
C = arrayfun(@(i)func(A(:,i),B(i)),1:size(A,2))
This just hides the loops behind arrayfun ... it doesn't eliminate them.
2 个评论
另请参阅
类别
在 Help Center 和 File Exchange 中查找有关 Matrix Indexing 的更多信息
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!