Create guess and Check loop in matlab

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Xerxes Achaemenid
评论： Xerxes Achaemenid 2021-6-5
How can I create a guess and check loop for solve this equation: y=(2*x)-((2*x^2)*(1-exp(-1/x)))==0.211
Is there another way to solve this question?

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Chunru
Chunru 2021-6-5
y= @(x) (2*x)-((2*x.^2)*(1-exp(-1./x))) - 0.211; % define the function f(x)=0
x = fsolve(y, 0); % here x0 = 0;
help fsolve for more details.

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