Қарағанды университетінің хабаршысы. Математика сериясы (Mar 2024)

Problem for differential-algebraic equations with a significant loads

  • A.T. Assanova,
  • Zh.M. Kadirbayeva,
  • R.A. Medetbekova,
  • S.T. Mynbayeva

DOI
https://doi.org/10.31489/2024m1/46-59
Journal volume & issue
Vol. 113, no. 1

Abstract

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In this article, the problem for a differential-algebraic equation with a significant loads is studied. Unlike previously studied problems for differential equations with a significant loads, in the considered equation, there is a matrix in the left part with a derivative that is not invertible. Therefore, the system of equations includes both differential and algebraic equations. To solve the problem, we propose a modification of the Dzhumabaev’s parametrization method. The considered problem is reduced to a parametric problem for the differential-algebraic equation with significant loads. We apply the Weierstrass canonical form to this problem. We obtain parametric initial value problem for a differential equations and an algebraic equations with a significant loads. The solvability conditions for the considered problem are established.

Keywords