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execution a program step by step

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som
som 2011-10-14
编辑： Stephen23 2017-12-15
Hi all I have already written a program that its some parts doesn't give me desirable answers. I want to run this program line by line and check the results step by step.
How can I do???
Best

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回答（1 个）

Fangjun Jiang
Fangjun Jiang 2011-10-14
Open you .m file in M-editor, move your cursor to a line and press F12. You will see a red dot in that line just left of the line number. You can click the place to turn on/off the break point too. Then press F5 to run the code. Click menu Debug for more options.
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Walter Roberson
Walter Roberson 2017-12-15
dbstep to execute one line.
dbstep in to step into a function being called on the current line.
Stephen23
Stephen23 2017-12-15
编辑：Stephen23 2017-12-15
To step though code while debugging use the buttons or commands shown in the documentation:
https://www.mathworks.com/help/matlab/matlab_prog/debugging-process-and-features.html
https://www.mathworks.com/help/matlab/matlab_env/keyboard-shortcuts.html
Because the keyboard shortcuts can be changed you should look these up on your installed MATLAB (see the link above). Try F10.

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