#Associated homogeneous equation

4 messages · Page 1 of 1 (latest)

wide bone
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Someone explains to me what an associated homogeneous equation is and why with this we can obtain a solution for an equation, thank you and happy 2024!

humble ravenBOT
spark ice
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For a nonhomogeneous linear DE, you can find the associated homogeneous equation by putting the DE in standard form, then setting the RHS equal to 0. For example if you have a nonhomogeneous second order DE of the form $y'' + p(t)y' + q(t)y = G(t), G(t)\neq0$ you can get the associated homogeneous equation by doing $y'' + p(t)y' + q(t)y = 0$. usually this is useful for solving DEs with variation of parameters or method of undetermined coefficients

tall prairieBOT
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animetrash