MATLAB: Disp ( ‘TEXT STRING’ ); displays nothing in the console

blank consoleoutput

This might have been asked before, but I don't know the right terminology. This wasn't a problem earlier today, but suddenly when I execute the following in matlab editor:

disp ( 'TEXT STRING' );

Output in console/command window equals:

disp ( 'TEXT STRING' );

Now I want/expect, am used to seeing this as well in the output/console or at least and this worked fine earlier today:

TEXT STRING

I have restarted Matlab, but that didn't help. Im experiencing the exact same issue in FreeMat, but suddenly it resolved itself after restarting that program. But want/need to use Matlab for now. Now I guess maybe a setting has been turned off, or is this aknown bug? Anyone know how to solve? Using Matlab R2014b,

Best Answer

Seems like I forgot ending a for loop. Ending the for loop with end, and restarting Matlab seems to have resolved the issue.

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MATLAB: Special character not saved / displayed properly in .m file

Ok I think I've found out whats going on.

I am using Win 7, and I noticed that the Language for non-Unicode programs was Chinese. Changed to English and it works fine now.

Still don't know why only 2014a ver has this problem though.

Thanks to Guillaume and everyone who helped.

MATLAB: I am getting a ‘Argument must contain a string’ error.

store = load(pathToFile{1});

You have multiselect on and you are selecting multiple files, so pathToFile could be a cell array of strings. pathToFile(:,1) would then be a cell array of strings. When you use multiselect, you get a row vector cell array, so pathToFile(:,1) would be a 1 x 1 cell array of strings. You cannot load() using a cell array of strings: you have to load() a character vector such as pathToFile{1}

Caution: when multiselect is on, but the user only selects a single file, the first output is a char vector; if the user selects multiple files then the first output is a cell array of strings. You should not assume that the user definitely selected multiple files, so you should protect against the possibility:

[fileName,filePath] = uigetfile({'*.txt'},'Pick a file','MultiSelect','on');
if isnumeric(fileName); disp('Cancelled!'); return; end
fileName = cellstr(fileName);        %converts possible single string to cell array, leaves existing cell arrays the way they are.

Best Answer

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MATLAB: Special character not saved / displayed properly in .m file

MATLAB: I am getting a ‘Argument must contain a string’ error.

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