Using i as an index within a loop in Matlab 2016a
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Ken
el 5 de Oct. de 2016
Comentada: Ken
el 5 de Oct. de 2016
Is there a simple, global way to force Matlab 2016 to allow i to be used as a vector index within a loop statement that uses i as the loop index? I've been using i as a convenient index in for loops forever, and the simple assignment statement in the for statement was always sufficient to convert it from it's built in complex type to an integer. i.e.
for i=1:5,
y(i)=stuff;
end;
In Matlab 2016a, this code barfs because i retains its complex definition within the scope of the loop, so can't be used as the index into a vector within the loop. Adding an explicit assignment to an integer e.g. i=0, before the loop, or changing i to another variable name works, but I'd rather not modify every routine that uses i as an index within a loop.
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Steven Lord
el 5 de Oct. de 2016
Please show the full, exact text of the error message you receive. The behavior you're describing shouldn't happen and doesn't happen when I use release R2016a or R2016b.
for i = 1:5
y(i) = 23;
end
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Matthew Eicholtz
el 5 de Oct. de 2016
I don't know what you mean by "this code barfs". I ran a simple for-loop in MATLAB R2016a with i as the index variable and experienced no barfing.
But, as an aside, because of the complex definition of i, I tend to prefer using ii instead of i in for-loops.
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