Solving an equation on MATLAB
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Hi Everyone,
How can i solve this equation for Mx in MATLAB. Mx has to be a real root. (nux and gam are known)
nux= ((gam+1)/(gam-1))^(1/2) * atan(((gam-1)/(gam+1))*(Mx^2-1))^(1/2)-atan(Mx^2-1)^(1/2);
I really need to solve this since the rest of the code depends on the solution of this equation.
Thank you.
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Walter Roberson
2013년 11월 22일
Interestingly, Maple 16 solve() generates a large number of false roots given specific nux and gam, such as nux=0 and gam=6/5
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Alan Weiss
2013년 11월 22일
Try fzero. I suggest that you give an initial interval such as [1,1000] because you will get an error if fzero tries a value less than 1 (the square root of a negative number is complex, and fzero deals with real numbers only.
Alan Weiss
MATLAB mathematical toolbox documentation
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