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How to convert a 1x1 cell to a string?

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How to convert a 1x1 cell like {'line'} to a character vector like 'line', or a string like "line" please. thx

Accepted Answer

Azzi Abdelmalek
Azzi Abdelmalek on 1 Feb 2015
Edited: MathWorks Support Team on 3 Sep 2020
To convert a cell array of character vectors to a character array, use the “char” function.
A = {'line'}
B = char(A)
To extract the contents from a cell, index using curly braces.
A = {'line'}
B = A{1}
Starting in R2016b, you can store text in string arrays. To convert a cell array to a string array, use the “string” function.
A = {'line'}
B = string(A)
For more information, please refer to the MathWorks documentation on Cell Arrays of Character Vectors and Text in String and Charater Arrays.
Junho Kweon
Junho Kweon on 25 Apr 2019
That's a piece of cake. Thanks a lot!

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More Answers (2)

Image Analyst
Image Analyst on 1 Feb 2015
Azzi showed you how to extract the string from a cell. Another way is to convert the cell with char():
ca={'line'} % This is our cell array.
str = char(ca) % Convert it to a character array (string).
Net, both give the same result, just different ways of getting there. If your cell array is only a single solitary cell, then you should not even use a cell in the first place - use a string.

Morteza Darvish Morshedi
Morteza Darvish Morshedi on 14 Jun 2019
Even if you have more than 1 string in our cell array, an easy way can be:
S = {'Hello',' ','world'}
ss = [S{:}]
Image Analyst
Image Analyst on 15 Feb 2021
Just a point of clarification. ss is a character array while str is a string. A few versions ago, MATLAB made these different types of variables, though in common speech, people call either one "strings".

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