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I have four 1x50 matrices and I want to save them to one 4x50 matrix. How can I do this?

Asked by Teemu on 5 Feb 2013

I have four 1x50 matrices and I want to save them to one 4x50 matrix. How can I do this?

2 Comments

Cedric Wannaz on 5 Feb 2013

You deleted the content of all the 4 questions that you asked, after people spent time and energy answering/commenting them, why?

Jan Simon on 5 Feb 2013

@Teemu: I strongly suggest, that you ask the admins to restore your question. Otherwise there is the chance, that the contributors will ignore your questions in the future, because they could assume, that you are not serious. You find the address at the bottom of this page or you can ask randy Souza. Thanks.

Teemu

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3 Answers

Answer by Azzi Abdelmalek on 5 Feb 2013
Edited by Azzi Abdelmalek on 5 Feb 2013
Accepted answer
for k=1:50
   title{k}=sprintf('title%d',k)
end
a=rand(1,50);
b=rand(1,50);
c=rand(1,50);
d=rand(1,50);
M=[title;num2cell(a);num2cell(b);num2cell(c);num2cell(d)]

3 Comments

Teemu on 5 Feb 2013

It´s not working.

for k=1:50
 title{k}=sprintf('title%d',k)
end
a=rand(1,50);
b=rand(1,50);
c=rand(1,50);
d=rand(1,50);
M=[title;num2cell(a);num2cell(b);num2cell(c);num2cell(d)]
??? Cell contents assignment to a non-cell array object.
Azzi Abdelmalek on 5 Feb 2013

Try again, but before, type: clear

clear
for k=1:50
titre{k}=sprintf('title%d',k)
end
a=rand(1,50);
b=rand(1,50);
c=rand(1,50);
d=rand(1,50);
M=[titre;num2cell(a);num2cell(b);num2cell(c);num2cell(d)]

I've also changed the variable title which is reserved to ploting functions

Teemu on 5 Feb 2013

ok, that was the problem, thanks!

Azzi Abdelmalek
Answer by Youssef KHMOU on 5 Feb 2013

Suppose your matrices are A,B,C,D all with size 1x50 :

 M=zeros(4,50);
 M(1,:)=A;
 M(2,:)=B;
 M(3,:)=C;
 M(4,:)=D;

0 Comments

Youssef  KHMOU
Answer by Ryan Livingston on 5 Feb 2013
 A = rand(1,50);
 B = rand(1,50);
 C = rand(1,50);
 D = rand(1,50);
 E = [A;B;C;D];

1 Comment

Teemu on 5 Feb 2013

Thanks. How I can add one "tittle" line to 4x50 matrix so it will be 5x50 matrix? The line should be added to first line of the matrix.

Ryan Livingston

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