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Variable transformation on numerical integrals
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作者 han, df Wang, XH 《Chinese Science Bulletin》 SCIE EI CAS 1997年第20期1683-1686,共4页
THE range of usage of the quadrature formulae specially designed for the integrals of sometypes can often be extended by the variable transformation. For example, in a quadrature for-mula computing an integral with th... THE range of usage of the quadrature formulae specially designed for the integrals of sometypes can often be extended by the variable transformation. For example, in a quadrature for-mula computing an integral with the weight function g: 展开更多
关键词 numerical INTEGRAL number-theoretic method periodization DOMAIN STANDARDIZATION VARIABLE transformation.
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A general method to generate parallel iterations for finding all zeros of polynomial simultaneously
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作者 han, df Wang, XH 《Chinese Science Bulletin》 SCIE EI CAS 1997年第22期1849-1852,共4页
SINCE there are many difficulties in finding a single root of a polynomial, it becomes moreand more important for parallel iterations to determine all roots simultaneously. Among theproposed methods, the iterative fam... SINCE there are many difficulties in finding a single root of a polynomial, it becomes moreand more important for parallel iterations to determine all roots simultaneously. Among theproposed methods, the iterative fami1y produced by paralleling the iterative family of Halleyusing Bell’s polynomial appears the most systematic and richest. In fact the paper becomesthe main contents of the monograph. 展开更多
关键词 ALL ZEROS of a polynomial PARALLEL ITERATION generating method.
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