i have a large matrix whose elements is 1 and 0; how to conver each row to decimal ,like bin2dec

2 次查看（过去 30 天）
Roger
Roger 2014-9-15
评论： Roger 2014-9-15
i do it like this
if true
rownum = size(Qbinnum,1);
for i = 1:rownum
cgroup(i)=bin2dec(num2str(Qbinnum(i,:)));
end
end
as the matrix is big, so it takes a lot of seconds ,any way easier ,less time ways?

请先登录，再回答此问题。

采纳的回答

Rick Rosson
Rick Rosson 2014-9-15
N = size(Qbinnum,2);
k = ((N-1):-1:0)';
v = 2.^k;
cgroup = Qbinnum*v;

更多回答（1 个）

Image Analyst
Image Analyst 2014-9-15
What does this say
whos Qbinnum

类别

在 Help Center 和 File Exchange 中查找有关 Just for fun 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