Code Showing "Undefined function or variable 'q'. Error in test (line 66) if(c~=q) " error Please help

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IPlover
IPlover 2013-11-15
回答： Chance 2013-11-15
Line 65 to 70 is shown below
for r=1:1:c
if(r~=q)
w=refweight*p(r)*1/p(q);
disp(w)
end
end
Why is it showing "Undefined function or variable 'q'. Error in test (line 66) if(c~=q) " ??

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回答（1 个）

Chance
Chance 2013-11-15
From all that you've shown you never defined q as anything. Either variables being used must be defined and of same length (or one of them be a constant) before the logical test (~=,<=,ect) can be performed.

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