BatterySizeRange=(0:1000:100*10^3); Cost_Benefit=zeros(length(BatterySizeRange),1); for i = 1:length(BatterySizeRange) [Cost_Benefit(i),PAR(i)] = FeederBattSolar(BatterySizeRange(i),1.5,2.5); end plotyy(BatterySizeRange, PAR, BatterySizeRange,Cost_Benefit)