How to solve this equation in Matlab

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Dear All,
Can anyone please let me know how to solve the equation showed in the picture using Matlab, please.
Carlos G

Accepted Answer

Star Strider
Star Strider on 3 Dec 2020
Put everything on the right-hand side, so:
f = @(d) expression - 30.19/d^2;
then use fzero or fsolve or the Symbolic Math Toolbox solve function (since it may have two roots, and with slightly different coding) to evaluate it.

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