How to get the ceofficients of a expression derived by ODE or integral ? For exampli,C1 and C2 in u
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syms rho a b E omega u(r) mu
sigma_r=E/(1-mu^2)*(diff(u,r)+mu*u/r);
sigma_theta=E/(1-mu^2)*(mu*diff(u,r)+u/r);
u=dsolve(diff(r*sigma_r,r,1)-sigma_theta+rho*omega^2*r^2==0)
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James Tursa
2021년 8월 25일
Typically these would be obtained by combining the solution with initial values for u. Do you have initial values?
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