Help with iterating to get one final value with for loop

if true
  % code
end

Answer 1

[Karan Gill]

Do not use f1(i). Instead use subs: https://www.mathworks.com/help/symbolic/subs.html to substitute a value.

For a full answer, see https://www.mathworks.com/help/symbolic/solve-equations-numerically.html.

And you redeclared f1 as symbolic with syms f1. So you lost your initial value of f1. Then you try f1(i) and it errors.