How to get the ceofficients of a expression derived by ODE or integral ? For exampli,C1 and C2 in u
1 回表示 (過去 30 日間)
古いコメントを表示
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)
0 件のコメント
回答 (1 件)
James Tursa
2021 年 8 月 25 日
Typically these would be obtained by combining the solution with initial values for u. Do you have initial values?
参考
カテゴリ
Help Center および File Exchange で Symbolic Math Toolbox についてさらに検索
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!