By P. P. Petrushev,Vasil Atanasov Popov

initially released in 1987, this booklet is dedicated to the approximation of actual features via genuine rational features. those are, in lots of methods, a less difficult software than polynomials, and curiosity in them was once becoming, specially on the grounds that D. Newman's paintings within the mid-sixties. The authors target at offering the fundamental achievements of the topic and, for completeness, additionally speak about a few subject matters from complicated rational approximation. yes classical and smooth effects from linear approximation idea and spline approximation also are integrated for comparative reasons. This ebook could be of worth to a person with an curiosity in approximation thought and numerical analysis.

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