SIAM Journal on Numerical Analysis, Vol. 15, No. 5 (Oct., 1978), pp. 1008-1029 (22 pages) In the rational Padé approximation to exp (-q), q ϵ ℂ, the parameters in the numerator and denominator are ...
Matrix functions, such as the exponential, square root and cosine, play an indispensable role in various fields including quantum mechanics, control theory and numerical solution of differential ...
The present paper deals with the approximation properties for exponential functions of general Durrmeyer type operators having the weights of Szász basis functions. Here we give explicit expressions ...
Multivariate approximation in Hilbert spaces is a rapidly evolving field that addresses the challenges of approximating functions of several variables in settings where the underlying function spaces ...
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