how to creat this vector?
2 Ansichten (letzte 30 Tage)
Ältere Kommentare anzeigen
benghenia aek
am 30 Jan. 2019
Bearbeitet: Stephen23
am 30 Jan. 2019
hello everyone;
i have vector
X=[1 1 0 1 1 1 0 0 0 1 1 1 1 1 0 0 1 0 0 0 1 1 1 1 0]
c= size number of 1 from the vector X
c=[2 3 5 1 4]
h=mean(c)
h=3;
if c>h
c=c;
elseif c<=h
c=0;
end
Y=[0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 0]
how to creat vector Y?
0 Kommentare
Akzeptierte Antwort
Rik
am 30 Jan. 2019
I'm going to guess you mean this instead, and wanted to create Y from X accordingly.
X=[1 1 0 1 1 1 0 0 0 1 1 1 1 1 0 0 1 0 0 0 1 1 1 1 0];
c=[2 3 5 1 4];
h=mean(c);
for k=1:numel(c)
if c(k)>h
c(k)=c(k);
elseif c(k)<=h
c(k)=0;
end
end
This can be solved with the code below.
X=[1 1 0 1 1 1 0 0 0 1 1 1 1 1 0 0 1 0 0 0 1 1 1 1 0];
encoded=bwlabel(X);
c=histc(encoded,1:max(encoded));
ind=find(c<=mean(c));
Y=X;
Y(ismember(encoded,ind))=0;
Y_check=[0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 0];
isequal(Y,Y_check)
%isequal might return false for floats, if so, check if this is small:
%max(abs(Y-Y_check))
0 Kommentare
Weitere Antworten (1)
Stephen23
am 30 Jan. 2019
Bearbeitet: Stephen23
am 30 Jan. 2019
Exactly like in my answer to your earlier question:
X=[1 1 0 1 1 1 0 0 0 1 1 1 1 1 0 0 1 0 0 0 1 1 1 1 0]
Y = X;
D = diff([0,X,0]);
B = find(D>0);
E = find(D<0)-1;
N = 3;
for k = 1:numel(B)
if (E(k)-B(k))<N
Y(B(k):E(k)) = 0;
end
end
Y
Giving:
X =
1 1 0 1 1 1 0 0 0 1 1 1 1 1 0 0 1 0 0 0 1 1 1 1 0
Y =
0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 0
0 Kommentare
Siehe auch
Kategorien
Mehr zu Software Development Tools finden Sie in Help Center und File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!