store char in a column matrix

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Alberto Acri
Alberto Acri 2023-6-18
评论： Rik 2023-6-18
Hi. I have a for loop that generates char like this: 'parameter_1' ('parameter_2' and so on).
I would like to store them all in a matrix M. Then have on the workspace something like this:
M = [parameter_1;
parameter_2;
...]
Is there an easy way to do this?

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Rik
Rik 2023-6-18
If you use a cell array instead, the parameters don't need to have the same number of characters. That will also make it easy to convert the a string and back, should you ever need to.
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Steven Lord
Steven Lord 2023-6-18
Ran in:
If you don't need them as char arrays, I recommend using a string array instead of a cell array containing char arrays. You can even vectorize the creation of the text data using the + operator for strings.
n = (1:5).'
n = 5×1
1 2 3 4 5
s = "parameter_" + n.^2
s = 5×1 string array
"parameter_1" "parameter_4" "parameter_9" "parameter_16" "parameter_25"
check = s(4) % should be "parameter_16"
check = "parameter_16"
Rik
Rik 2023-6-18
Just to add the final point: if you are using cells you need to use {} to access the content, otherwise you're dealing with the container (i.e. the cell element).

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