Solution of this non-linear eqution

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w= 0: 0.01: 20;
d=100
g=10
w^2=g*k*tanh(k*d)
find the values of 'k'.

回答(1 个)

Dimitris Kalogiros
Hi A. Hossain
Try this:
clear; clc;
syms w d k
d=100
g=10
for w=0:0.1:20
fprintf('----- w = %f -----\n', w);
eq=w.^2==g*k*tanh(k*d)
vpasolve(eq)
fprintf('\n\n');
end
Of Course, it does not provide an analytical solution, but a numerical one.

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