If you put it in as a picture, then of course not!
However, if you paste in the code, then note there is a toolbar on top of the edit window when you are writing a comment or a question. Under that toolbar, you will see the word code. Does that give you a hint?
Next, click on this button in the code part of the toolbar, while you are editting.
You will see this appear in your edit window.
Now you can paste in any code you wish, into that spot. For example...
As you see, you can even tell it to evaluate that code in MATLAB.