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A. B. Al’shin E. A. Al’shina N. N. Kalitkin A. B. Koryagina 《Computational Mathematics and Mathematical Physics》2006,46(8):1320-1340
Many applied problems are described by differential algebraic systems. Complex Rosenbrock schemes are proposed for the numerical integration of differential algebraic systems by the ?-embedding method. The method is proved to converge quadratically. The scheme is shown to be applicable even to superstiff systems. The method makes it possible to perform computations with a guaranteed accuracy. An equation is derived that describes the leading term of the error in the method as a function of time. An algorithm extending the method to systems of differential equations for complex-valued functions is proposed. Examples of numerical computations are given. 相似文献
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