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 ...
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 â„‚, the parameters in the numerator and denominator are ...
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