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

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Josue Esparza 2015-3-10

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https://ww2.mathworks.cn/matlabcentral/answers/182507-how-can-i-create-this-function-in-matlab-i-am-a-new-user-and-i-am-having-a-hard-time

评论： Chandrasekhar 2015-3-12

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.

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Answer 1

Chandrasekhar 2015-3-11

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https://ww2.mathworks.cn/matlabcentral/answers/182507-how-can-i-create-this-function-in-matlab-i-am-a-new-user-and-i-am-having-a-hard-time#answer_170856

在 MATLAB Online 中打开

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)])