How to handle this error: Brace indexing is not supported for variables of this type.

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Sanjana
Sanjana 2023-9-17
回答： Sachin 2023-9-20
The error says as :::
Brace indexing is not supported for variables of this type.
Error in lab_3Q2>huffman_encode (line 122)
[prob, symb] = hist(rl_mat{i, j}(:), unique(rl_mat{i, j}));
Error in lab_3Q2 (line 21)
[code, dict] = huffman_encode(run_len);
where rl_mat is a string of double precision array i'm passing
Can someone please rectify the error.
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Sanjana
Sanjana 2023-9-17
So, sir is there any way i can use the function for a double precision array. Or can i convert it to a cell array?
Thanks in advance.
Walter Roberson
Walter Roberson 2023-9-17

It looks to me as if you could pass in your double precision array wrapped in a cell array, like

{YourArray}

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回答（1 个）

Sachin
Sachin 2023-9-20
Hi Sanjana,
I understand that you are getting the "Brace indexing is not supported for variables of this type." error.
You are using the "hist" function, which accepts vector or matrix input. Therefore, I would recommend you to double-check the type of value you are passing to the "hist" function.
Refer the following MathWorks documentation to know more about the "hist" function.
https://www.mathworks.com/help/matlab/ref/hist.html
Referring to the following MATLAB Answer might be helpful to you.
https://in.mathworks.com/matlabcentral/answers/572767-error-brace-indexing-is-not-supported-for-variables-of-this-type?s_tid=answers_rc1-2_p2_MLT
I hope this resolve your query.
Thanks
Sachin

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