How to find the root value of h in a differential equation?

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wyeen chow
wyeen chow 2020-12-10
评论： wyeen chow 2020-12-10
How can I find the value h(real form and imagnery form) in this differential equation? My coding started with this.
syms E(h)
E(h)=((8*10e-6)*h)/((pi)*(8.854e-12)*(16+h^2)*(32+h^2)^1/2)
Df=diff(E,h)

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回答（1 个）

Alan Stevens
Alan Stevens 2020-12-10
Try adding the line
h = vpasolve(Df(h)==0,h)

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