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Visilab Report #2022-11. The trigonometric polynomials are simple yet have lots of interest in theories of orthogonal polynomials and in numerical analysis. The elementary trigonometric polynomials are broken series of sin (x) and cos (x). Some of their important properties have been left unsolved.
The following articles are merged in Scholar. Their combined citations are counted only for the first article.
email: henrik.stenlund@visilab.fi. (Received August 10, 2016, Accepted September 1, 2016) Abstract. This paper is about methods for expressing infinite series in closed form by using Laplace transforms and their inverses where resulting integrals are to be evaluated instead.
Henrik Stenlund. A set of equations for removing and adding of a parameter were found in a scalar type vector function. By using the Cauchy-Euler differential operator in an exponential form ...
Mar 25, 2019 · Henrik Stenlund. Four new relations have been found between the Stirling numbers of first and second kind. They are derived directly from recently published relations. Comments: four pages. Subjects: General Mathematics (math.GM) MSC classes: 11B73.
May 25, 2014 · Henrik Stenlund. This paper is about a method for solving infinite series in closed form by using inverse and forward Laplace transforms. The resulting integral is to be solved instead. The method is extended by parametrizing the series.
Jul 18, 2011 · Henrik Stenlund. New recursion relations for the Riemann zeta function are introduced. Their derivation started from the standard functional equation. The new functional equations have both real and imaginary increment versions and can be applied over the whole complex plane.
