fix the error

1 2 function - readfile(filename) 3 5 data = readmatrix (filename); days - data (:,1); precipitation = data(:, 2); days mod (days, 100); combinedDay - 1:30; combined Precipitation = zeros (30,1); 2 B 9 10 11 e 13 14 for 1 - 1:30 for j - 1: length(days) if i days (i) combinedPrecipitation - precipitation (1) + combinedPrecipitation (i); else do nothing end end end 16 17 - 1a 19- 20 21 22 23 24 25 figure subplot (1,1,1); plot (combinedDay, combinedPrecipitation); Litle (['Precipitation in June 2000']); xlabel (Day'); ylabell Precipitation'); I >> readfile(filename) Index exceeds the number of array elements (1). Error in readfile (line 13) combinedPrecipitation - precipitation (1) + combinedPrecipitation (i); fx >> cone LED 2000 w OS 00 Son 20000 O 00 CORO OK CROOIT DOO TODOC OOOOO COCO 16 DOS TO00011 22 000000 100 SCOOP SOOSE SOE SE DO TE Sot TO 12 TEBOL TERCOOL 0031 SL COOL VE LEO EXO: Tot COOL COS TOO ICO OLOR A1 POSSIBLE