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constants or readonly variables

From: Francesco Potortì
Subject: constants or readonly variables
Date: Sat, 07 Nov 2015 11:51:48 +0100

>this is more of a style issue, but be aware that "e" in octave is a
>octave:1> e
>ans =  2.7183
>​which you have just overwritten ...
>It could potentially result in some hard to debug problem.
>The same goes for "i" "j" (or "pi").
>I suggest to use "ee" or "ii" or "jj" var names instead.

Which makes me think of something.  What you describe is in fact an
annoying trap when programming in Octave.  A useful feature would be to
have the possibility to mark a variable as constant, or readonly.

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