Rational chebyshev approximations of elementary functions
Explicit formulæ which should be useful in practical computations, are given for the functions e−x, log x, Γ(1 + x), arctg x/x, sin x/x, cos x and (2/x) arcsin (x/2) in the interval 0≤x≤1 except for log x, where the interval is 1/2≤x≤1 instead.
KeywordsComputational Mathematic Elementary Function Practical Computation Chebyshev Approximation Rational Chebyshev Approximation
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