how do you print the counter value in an input statement?

How do you print the counter value in an input statement? Below is what I have tried. As is, it prints an empty box.

example:

for k = 1:value
  s(1,k) = input(['please enter wall #',k,' U-factor: ']);
end

Answer 1

[Honglei Chen]

Use sprintf, e.g.,

input(sprintf('please enter wall #%d U-factor:',k))