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Guoyao.Li


Last seen: 約2ヶ月 前 2021 以来アクティブ

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質問


How to change an symbolic equation into wanted form ?
I want to change into , how should I make it by symbolic calculation ? syms epsilon_r epsilon_re epsilon_theta epsilon_thetae ...

3ヶ月 前 | 0 件の回答 | 0

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In an equation, is that possible to give two uknowns'ratio expression by using "solve" function or other accessible way ?
The equation is , is that possible to get "a/c" directly by "solve" function or other symbolic functions? syms p p0 a r k alpha...

3ヶ月 前 | 1 件の回答 | 0

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How to get the ceofficients of a expression derived by ODE or integral ? For exampli,C1 and C2 in u
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(...

3ヶ月 前 | 1 件の回答 | 0

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In solving ordinary differential equations of elasticity, I got the following hint“Unable to find symbolic solution”.How should I modify the solution
syms sigma_theta(r) sigma_r(r) p p0 E mu a b u=r/E*(-mu*sigma_r+(1-mu)*sigma_theta); eqn=[2*(sigma_theta-sigma_r)/r==diff(sigm...

3ヶ月 前 | 1 件の回答 | 0

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