Abstract
Many differential equations arising in engineering and the physical sciences, particularly in the study of vibratory or oscillatory phenomena, have the form
in which αn, αn-1,…, αl, αo and f are given functions of x. Such an equation is known as a linear ordinary differential equation of order n. In this chapter it will sometimes be convenient to write a linear equation in the abbreviated form
where L denotes a linear differential operator:
The linearity property of L is expressed by the easily confirmed result
where c1 and c2 are any constants and y and z any functions of x possessing derivatives up to the nth order.
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© 1973 R. J. Goult, R. F. Hoskins, J. A. Milner and M. J. Pratt
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Goult, R.J., Hoskins, R.F., Milner, J.A., Pratt, M.J. (1973). Ordinary Differential Equations of Order > 1. In: Applicable Mathematics. Palgrave, London. https://doi.org/10.1007/978-1-349-01357-9_9
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DOI: https://doi.org/10.1007/978-1-349-01357-9_9
Publisher Name: Palgrave, London
Print ISBN: 978-1-349-01359-3
Online ISBN: 978-1-349-01357-9
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