منابع مشابه
On Multiple Node Gaussian Quadrature Formulae
k Abstract. Let fip . . , Hk be odd positive integers and »i = Z¡=.x(p¡ + 1). Let {«(.}|=j be an extended Tchebycheff system on [a, b]. Let L be a positive linear functional on U = span( {u,}). We prove that L has a unique representation in the form k M,— 1 £<p) = E Z "i/PW(f,). « < h < ■ ■ • < tk < b, 1=1 ;=0 _ k for all p G U. The proof uses the topological degree of a mapping F: D C R k —► R...
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ژورنال
عنوان ژورنال: Applications of Mathematics
سال: 1968
ISSN: 0862-7940,1572-9109
DOI: 10.21136/am.1968.103177