how write open interval and colse interval by matalb ?

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work wolf
work wolf 2016-3-15
评论： Walter Roberson 2016-9-3
how write open interval and colse interval by matalb ? because when write x=0:3 don't give same mean

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Walter Roberson
Walter Roberson 2016-3-16
You need to reach in to the Symbolic engine and use the facilities of MuPAD that are not made available to the MATLAB interface.
http://www.mathworks.com/help/symbolic/mupad_ref/dom-interval.html
For example,
x = evalin(symengine, 'Dom::Interval([0], [3])');
The mean of this certainly would be the same as mean(0:3) and the same as mean(linspace(0,3,50000)) .

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