Mathematica FindRoot to Matlab

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Tsuwei Tan
Tsuwei Tan 2019-5-3
回答： Walter Roberson 2019-5-3
May I ask how to put the following Mathematica code into Matlab?
mvel1[n_, H_, f_] := v /. FindRoot[freq[v, n, H, 2.2, 1800, 1500] ⩵ f, {v, 1500.1, 1799.9}]
I need to create a function like
funciton mvel1=mvel1_fun(n,H,f)
...
end
The Matlab freq function is
function freq=freq_fun(v,n,H,m,cb,cw)
dum1=sqrt(cw^(-2)-v^(-2));
dum2=sqrt((cw^(-2)-v^(-2))/(v^(-2)-cb^(-2)));
freq=1/(2*pi*H*dum1)*(pi*n-atan(m*dum2));
end
Thank you!

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采纳的回答

Walter Roberson
Walter Roberson 2019-5-3
mvel1 = @(n, H, f) fzero(@(v) freq_fun(v, n, H, 2.2, 1800, 1500) - f, [1500.1, 1799.9]) ;

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