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

2 views (last 30 days)
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?

Accepted Answer

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

More Answers (1)

Image Analyst
Image Analyst on 15 Sep 2014
What does this say
whos Qbinnum

Categories

Find more on Get Started with MATLAB in Help Center and File Exchange

Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!