Geodesic
The solvability of the initial problem for a degenerate linear hybrid system with variable coefficients
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (2010), pp. 57-70 Cet article a éte moissonné depuis la source Math-Net.Ru

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We consider a linear hybrid system with variable coefficients and known mode switching moments under the assumption that matrices at the derivative of the desired vector function are identically degenerate. We obtain the necessary and sufficient conditions for the existence of a piecewise smooth solution (either continuous or not in its definition domain) for the initial problem. We study an equivalent structural form of a nonstationary system of linear differential-algebraic equations with time varying coefficients. We propose a constructive algorithm for obtaining such a form even if the rank of the matrix at the derivative is not constant.
Keywords: hybrid system, differential-algebraic equations, solvability, consistent initial data.
Mots-clés : equivalent transformation 
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     author = {A. A. Shcheglova},
     title = {The solvability of the initial problem for a~degenerate linear hybrid system with variable coefficients},
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A. A. Shcheglova. The solvability of the initial problem for a degenerate linear hybrid system with variable coefficients. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (2010), pp. 57-70. http://geodesic.mathdoc.fr/item/IVM_2010_9_a4/

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