I am trying to loop my if statement but I'm not sure how to

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Belle Dionido
Belle Dionido 2022-4-21
回答： David Hill 2022-4-21
clc;
atomic_weight = [15.9994; 12.011; 14.00674; 32.066; 1.00794];
alanine = xlsread('lab12.xlsx','B4:F4');
arginine = xlsread('lab12.xlsx','B5:F5');
asparigine = xlsread('lab12.xlsx','B6:F6');
alaninemw = alanine*atomic_weight;
argininemw = arginine*atomic_weight;
aspariginemw = asparigine*atomic_weight;
file = input("Enter file name including file extension: \n",'s');
xlsx = 'xlsx';
while true
if contains(file, xlsx)
fprintf("The molecular weight of Alanine is %5f\n", alaninemw);
fprintf("The molecular weight of Arginine is %5f\n", argininemw);
fprintf("The molecular weight of Asparigine is %5f\n", aspariginemw);
else
false
end
end

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采纳的回答

David Hill
David Hill 2022-4-21
xlsx = 'xlsx';
while true
file = input("Enter file name including file extension: \n",'s');
if contains(file, xlsx)
fprintf("The molecular weight of Alanine is %5f\n", alaninemw);
fprintf("The molecular weight of Arginine is %5f\n", argininemw);
fprintf("The molecular weight of Asparigine is %5f\n", aspariginemw);
break;
end
end

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