What does Out of range or non-integer values truncated during conversion to character mean and how to solve it?

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Leonardo Wayne 2016-4-25

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编辑： Walter Roberson 2016-4-25

Warning: Out of range or non-integer values truncated during conversion to character. 
> In cell.strcat at 55
  In Testing_Automator_v4 at 27 
Line 27-29:
[~,id_raw2] = unique(strcat(raw2(:,1), 'rows'));
get_motors_no_workbook2 = raw2(id_raw2,:);
get_motors_no_workbook2 = get_motors_no_workbook2(2:end,1);

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Answer 1

Guillaume 2016-4-25

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Your raw2 cell array contains numerical values in column 1. strcat interpret these values as character codes (e.g. it translates 65 into A) and is warning you that some of them are not valid character codes (because they're not integers or not in the valid range of integers).

Most likely, you didn't want to perform strcat on that column of the cell array. What are you trying to do?

Also suspicious is your passing of the 'rows' to strcat, wasn't this meant as a second argument to unique instead?

That is did you mean?

[~, id_raw2] = unique(raw2(:, 1), 'rows');

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Leonardo Wayne 2016-4-25

[~, id_raw2] = unique(raw2(:, 1), 'rows');

This command doesn't does not work it must be a string(char). See attached for raw2 and 3rd command above. It does the job right as you can see duplication is removed but I don't understand the warning mentioned above.

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