Index out of bounds

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David
David 2014-5-17
评论： David 2014-5-18
clc clear close
amount = input('What is the total resistance?: ');
fprintf('The total resistance is %0.f, so you will have in the series: \n', amount);
bill=[82*10^6,68*10^6,56*10^6,47*10^6,39*10^6,33*10^6,27*10^6,22*10^6,18*10^6,15*10^6,12*10^6,10*10^6,82*10^5,68*10^5,56*10^5,47*10^5,39*10^5,33*10^5,27*10^5,22*10^5,18*10^5,15*10^5,12*10^5,10*10^5,82*10^4,68*10^4,56*10^4,47*10^4,39*10^4,33*10^4,27*10^4,22*10^4,18*10^4,15*10^4,12*10^4,10*10^4,82*10^3,68*10^3,56*10^3,47*10^3,39*10^3,33*10^3,27*10^3,22*10^3,18*10^3,15*10^3,12*10^3,10*10^3,82*10^2,68*10^2,56*10^2,47*10^2,39*10^2,33*10^2,27*10^2,22*10^2,18*10^2,15*10^2,12*10^2,10*10^2,82*10,68*10,56*10,47*10,39*10,33*10,27*10,22*10,18*10,15*10,12*10,10*10,82,68,56,47,39,33,27,22,18,15,12,10];
r=amount;
tnb=0;
i=1;
while r~=0
nb(i)=floor(r./bill(i));
tnb=tnb + nb(i);
r=rem(r ,bill(i));
if nb(i) >= 1
fprintf('%.0f of resistors %.0f \n' ,nb(i) ,bill(i))
end
i=i+1;
end
fprintf(' %.0f resistors in total \n' ,tnb)
How do i make it so it stops at the ideal combination? eg, if i type in 18 it will return 18 with 1 resistor in total, but if i type 20, i want it to stop at 18 as well but the code seems to want to keep going but it becomes out of bounds, anyway of stopping this? :D

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采纳的回答

Image Analyst
Image Analyst 2014-5-17
Try this:
while r~=0 && i <= length(bill)
and also see this.

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