how can I create this function in matlab? I am a new user and I am having a hard time.

Create code that solves sum x^n/n!= x/1! + x^2/2! + x^3/3! + x^4/4! + .... for any value x>0. The function calculates the sum by adding the terms and stoping when the value of the term<=0.00001 or the number of terms exceeds 40.

Answer 1

[Chandrasekhar]

function Summantion(x)
n=1;
Sum = 0;
while( n <= 40)
    term = pow(x,n)/factorial(n);
    if term <= 0.00001
        break;
    end
    Sum = Sum + (x^n)/factorial(n);
    n = n+1;
end
disp(['Sum  = ' num2str(Sum)])
disp(['Terms = ' num2str(n)])

[Josue Esparza]

so i tried running the function and it wouldn't work. I tried making some changes but i cant get it to work.

[Chandrasekhar]

change pow(x,n) tp x^n. This should work now. In command window you should give the command Summantion(2).. whre x is 2