How can I speed my function?
显示 更早的评论
the function is used to compute hoeffdingsD measure,but the performance of my function is poor. when i use it in my code ,it usually cost several days.who can help me ,or compile it .
采纳的回答
Andrew Newell
2017-4-22
One source of delays can be repmat. This can be replaced by a suitable choice of index, as in the following:
r = R(i,:);
r = r(ones(N,1),:);
That said, it may be too much to expect a really fast implementation of this algorithm, judging by this discussion of the algorithm.
更多回答（0 个）
类别
在 帮助中心 和 File Exchange 中查找有关 Resizing and Reshaping 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!
