A Particular Solutions Inhomogeneous 2nd Order ODE Formula

A Particular Solutions Formula For Inhomogeneous Second Order Linear Ordinary Differential Equations © 2011 Claude Michael Cassano/nFinding a particular solutions to a linear inhomogeneous ordinary differential equation has always been a process of determining homogeneous solutions, and then adding any particular solution of the inhomogeneous equation. The well-known methods of undetermined coefficients and variation of parameters have long been the standard in determining this particular solution. The former has sometimes been considered 'ad-hoc', and both can be intricate. A relatively simple formuila has been found which allows the particular solution to be written and evaluated immediately. Corollary II.2 manifests the particular solution formula for second order linear inhomogeneous ordinary diffrential equations. It shows that beyond equations with constant coefficients, that particular solutions can be quite complicated and demanding. Indeed, the method of undetermined coefficients is useless in more demanding problems, and, although using the Wronskian method can be applied, my Corollary II.2 formula requires only one of the homogeneous solutions be determined - and is far more compactly and elegantly written. For second order ODEs these make the methods of undetermined coefficients and variation of parameters obsolete. The proofs in more detail may be found in my book available on Kindle in digital format at amazon.com, and links to all my books may be found at: /nhttps://sites.google.com/site/themathematicalnatureofreality//nhttps://sites.google.com/site/themathematicalnatureofreality/config/pagetemplates/books ... My 3rd & 4th order formulas are on video, now, and my arbitrary order book is available on kindle, now, too.

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