How Can I create a function as a string

Hı guys

Write a program that enters students' grades and gives them in the command window the mark they deserve (from A to F) with some comments. (write it as a function and M-file script )

How Can I do that?

function grade=input('Write the grade:';'s');
if grade=='A'||'a'
    disp('excellent')
elseif grade=='B'||'b'
    disp('well done')
elseif grade=='C'||'c'
    disp('Great')
elseif grade=='D'||'d'
    disp('better try again')
elseif grade=='F'||'f'
    disp('Invalid grade')
else
end

end

I wrote this function but I have to ask to user the grades like A-B-C etc.

So how can ı write the input in the m-file

[Stephen23]

"How Can I do that?"

Search for "greater than" and "less than".

https://web.archive.org/web/20211216204844/https://www.mathworks.com/matlabcentral/answers/1612670-how-can-i-create-a-function-as-a-string

Answer 1

[Sean de Wolski]

function grade=mygrade(grade)
    arguments
        grade(1,1) string = input('Write the grade:';'s')
    end
    grade = lower(grade);
    if grade == 'a'
        disp('excellent')
    elseif grade == 'b'
        disp('well done')
    elseif grade == 'c'
        disp('Great')
    elseif grade == 'd'
        disp('better try again')
    elseif grade == 'f'
        disp('Invalid grade')
    else
        
    end
end

[Talha Tetik]

thanks a lot but how can ı call this function