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Zbl 0768.44003
Watugala, G.K.
Sumudu transform: A new integral transform to solve differential equations and control engineering problems. (English)
[J] Int. J. Math. Educ. Sci. Technol. 24, No.1, 35-43 (1993). ISSN 0020-739X; ISSN 1464-5211/e

The author modifies the Laplace transform in the following form $F(u) = (1/u)\int\sp \infty\sb 0 e\sp{-t/u}f(t)dt$, so that $u$ and $F(u)$ are no longer dummies but can be treated as replicas of $t$ and $f(t)$. It is even possible to express them in the same units as $t$ and $f(t)$ so that the consistency of units in a differential equation describing a physical process can be maintained even after transformation. A few properties of the modified transform are given and two applications are included as examples.
[P.N.Rathie (Campinas)]

MSC 2000:: *44A15 Special transforms
34A25 Analytical theory of ODE
44A10 Laplace transform

Keywords: Sumudu transform; control engineering problems; Laplace transform; differential equation

Cited in: Zbl 1260.34013 Zbl 1223.44001 Zbl 1204.44004 Zbl 1025.44003 Zbl 0885.44002

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