matlab code to prompt a user for input inside a loop

Question

I was asked to write a matlab code to calculate the mean of 5 numbers utilizing a loop structure, I wrote this code but I was wondering if I could do something to make matlab ask me to enter the values in order 1 to 5, for example " Enter Value 1 " " Enter Value 2" , etc.

sumx = 0;
N = 5;
i=1;
for n =1:N
i=i+1;
Valuei=input('Enter Values= '); 
sumx = sumx+Valuei;
end
Ybar=sumx/5;
display(Ybar);

beaker · Accepted Answer · 2015-10-11 02:45:38Z

2

You need sprintf:

N = 5;
for n = 1:N
   prompt = sprintf('Enter Value %d=', n);
   Value = input(prompt);
   ...
end

The %d is replaced by the value of n for each iteration of the loop.

Also, the variable i isn't used. You can get rid of it. It's a bad idea to use i (or j) as a variable name anyway since it's already defined by Matlab to be the imaginary unit.

answered Oct 11, 2015 at 2:45

beaker

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