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Error - Subscript indices must either be real positive integers or logicals ??

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Yugal Gupta
Yugal Gupta on 5 Jun 2017
Answered: the cyclist on 5 Jun 2017
sym(zeros(4, 1));
is showing an error "Subscript indices must either be real positive integers or logicals". What may be the reason behind this error? How it can be resolved ??

Answers (1)

the cyclist
the cyclist on 5 Jun 2017
Is it possible that you have defined a variable named sym, and you are trying to index into that? What does the command
which sym
give?
If that gives a variable name, that's presumably the problem. Remember not to use variable names that are MATLAB keywords.

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