run code sections in matlab R2017b.

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Claudio Altafini
Claudio Altafini 2017-10-30
评论： Chad Greene 2018-2-28
when I run a code section, matlab R2017b now check for errors in the entire script, not just on the section to be executed (as it used to be in older versions). Is this a bug or is it in purpose?
I am using mac OS Sierra 10.12.6 (if that is of any relevance)
thanks. Claudio
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Rik
Rik 2017-10-30
I think it does check for syntax errors like unmatched parentheses, as those could affect what code should be run.
Claudio Altafini
Claudio Altafini 2017-10-31
It is not a parenthesis mismatch or something similar. The following standard 2-section matlab example gives me error (use to work under R2016b). Thanks for any suggestion. Claudio
%%Calculate and Plot Sine Wave
x = 0:1:6*pi;
y = sin(x);
plot(x,y)
%%Modify Plot Properties
title('Sine Wave')
xlabel('x')
% ADD A SYNTAX ERROR IN PURPOSE
----------
ylabel('sin(x)')

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回答（1 个）

Prasanth Sunkara
Prasanth Sunkara 2017-11-28
Hello Claudio,
This behavior is by design. Having this capability allows section evaluation to access local functions which seems desirable.
-Prasanth
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Rik
Rik 2017-11-28
You can use %{ and %} to comment out blocks of code (or you can use the comment out button in the editor lint).
I hadn't considered that it had something to do with in-script-functions (which I think will encourage horrible coding practices).
Chad Greene
Chad Greene 2018-2-28
What a frustrating design change! Any chance we'll ever get a Preference option to change it back?

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