Printing values to the command window

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Isabella 2012-1-12

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https://ww2.mathworks.cn/matlabcentral/answers/25970-printing-values-to-the-command-window

评论： Image Analyst 2017-1-21

how does one print a value of a variable to the command window?

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Matthew White 2017-1-21

type the variable in the script window without a semicolon then run the code

Image Analyst 2017-1-21

You got it backwards. Typing the variable name first and then running the code will likely get you a "variable name not defined" error message. You have to do it like I said in my answer below. Run the code first, then execute the variable name without a semicolon.

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Answer 1

Image Analyst 2012-1-12

2
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https://ww2.mathworks.cn/matlabcentral/answers/25970-printing-values-to-the-command-window#answer_33977

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Or you can simply list the variable all by itself on a line of code:

m = 10.42;
fprintf('m = %f\n', m);  % Method 1
disp(m); % Method 2
m   % Method 3.  Note: no semicolon, just the name.
str = sprintf('%f\n', m)  % Yet another method - returns a string