Combine columns row by row in Matlab

Question

I have a cell array 1300x6 that is all numbers. Below is an example of one row:

| 000 | 00 | 00 | 12 | 345 | 678 |

What I want to accomplish, is to have all the numbers in each row concatenated into one cell so that it is a 1300x1 array. I have tried cat, vertcat, horzcat and reshape but they all just merge the columns into each other, creating more rows. I would like it to look like this:

| 000000012345678 |

Is this possible?

They are cells or doubles, and I would like to be able to use them as an X axis in a plot. — Matt Griffin
– Matt Griffin, Commented Aug 3, 2017 at 10:53
cells AND doubles I hope you meant. They cant be though, they must be strings, as you can not have 000 and 00 as a number, they are both 0. Then you want them as a string? — Ander Biguri
– Ander Biguri, Commented Aug 3, 2017 at 11:06
Is this what you want: stackoverflow.com/questions/4868841/… ? — Ander Biguri
– Ander Biguri, Commented Aug 3, 2017 at 11:10
@AnderBiguri thanks I'll give it a go and let you know how I get on. — Matt Griffin
– Matt Griffin, Commented Aug 3, 2017 at 11:58

Gelliant · Accepted Answer · 2017-08-03 15:53:17Z

1

I agree with AnderBiguri that it is strange you would have 000 as a value in a numeric matrix, but you say it is all numbers, so let's go with that.

A = randi(255,[1300,6],'uint8'); %numbers
B = num2str(A); %characters with spaces
for ct = 1:size(B,1),C{ct,1}=strrep(B(ct,:),' ','');end 
C %characters without spaces

answered Aug 3, 2017 at 15:53

Gelliant

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1 Comment

Matt Griffin Over a year ago

Thanks this is exactly what I wanted. Apologies for any lack of clarity in my question.

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