MATLAB: I am trying to execute below code and I keep getting this error.

modeling and simulation

a=input('enter the value of mean: ');
P = 1
E=exp (-a)
R=[13,7,0.6]
R1=R(1)
R2=R(2)
R3=R(3)
for n=0:3
    R= R(n+1)
    Po=P.*R
    if  P < E
        N=n
    else
        n=n+1
    end
end
The error is
Error:Attempted to access R(2); index out of bounds because numel(R)=1.
Error in poisson (line 11)
    R= R(n+1)

Best Answer

The first time through the loop over n, this line
R= R(n+1)
makes R into a scalar value. It is no longer the original vector of length 3. The next time through the loop, you try to access the 2nd element of the vector, but that no longer exists.
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