Solving equations by calling a function

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abhijeet singh
abhijeet singh 2021-2-11
评论： abhijeet singh 2021-2-11
I have a function A=B*C+D, here B,C,D are all different functions (say it Equation 1)
For B, the equation is B*tanh(B)=E*F (say it Equation 2)
Now i want to extract B from this equation and use it in Equation 1. For me the problem is B is not defined explicity, is there any way to extract B and use it in equation 1.

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采纳的回答

David Hill
David Hill 2021-2-11
function B=eqnB(E,F)
fun=@(b)b*tanh(b)-E*F;
B=fsolve(fun,1);
end
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David Hill
David Hill 2021-2-11
You have to name your function something. What do you want to name it?

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