Converting a comma separated list into an array concatenates them.

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Arya Das
Arya Das 2020-6-19
编辑： Stephen23 2025-4-28
I was trying to convert a comma separated list of strings into a normal array. So B0005.cycle is a struct with some fields:
B0005.cycle.type is a comma separated list:
I tried to convert it into an array by doing this: [B0005.cycle.type] but it gives this output:
However I want ["charge", "discharge","charge","discharge",...]. So how do I go about this?
I have attached the mat file below.

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采纳的回答

Captain Karnage
Captain Karnage 2023-3-29
编辑：Stephen23 2025-4-28
This can also be done in one line (using type for an example):
If you want a horizontal array:
typearr = string({B0005.cycle.type});
If you want a vertical array:
typearr = string({B0005.cycle.type}.');
{} will convert the comma separated list of char to cell array of char
.' will transpose the cell array
string will convert cell arrays of char to arrays of string

更多回答（1 个）

Atul Upadhyay
Atul Upadhyay 2020-6-19
I can see that you are trying to convert a comma separated list of strings to normal array. You can do it like following.
arr={B0005.cycle.type};
newarr=[];
for x=arr
newarr=[newarr; string(x{1})];
end
Refer to the following documentation to know more about comma-separated lists in MATLAB.
https://in.mathworks.com/help/matlab/matlab_prog/comma-separated-lists.html#:~:text=Assigning%20to%20a%20Comma%2DSeparated,of%20a%20comma%2Dseparated%20list.

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