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A fresh look at linear ordinary differential equations with constant coefficients. Revisiting the impulsive response method using factorization. (English)
Int. J. Math. Educ. Sci. Technol. 47, No. 1, 82-99 (2016).
Summary: We present an approach to the impulsive response method for solving linear constant-coefficient ordinary differential equations of any order based on the factorization of the differential operator. The approach is elementary, we only assume a basic knowledge of calculus and linear algebra. In particular, we avoid the use of distribution theory, as well as of the other more advanced approaches: Laplace transform, linear systems, the general theory of linear equations with variable coefficients and variation of parameters. The approach presented here can be used in a first course on differential equations for science and engineering majors.
Classification: I75
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