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Chen, Alex; Chen, Hongwei – International Journal of Mathematical Education in Science and Technology, 2008
Based on the generating functions, for any positive integers "n" and "k", identities are established and the explicit formula for a[subscript i](k) in terms of Fibonomial coefficients are presented. The corresponding results are extended to some other famous sequences including Lucas and Pell sequences.
Descriptors: Sequential Approach, Mathematics Instruction, Mathematical Formulas, Validity
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Chen, Hongwei; Khalili, Parviz – International Journal of Mathematical Education in Science & Technology, 2005
In this note we give closed forms for a class of logarithmic integrals in terms of Bernoulli polynomials. This provides a method for unifying a large class of definite integrals.
Descriptors: Numbers, Mathematics Education, Computation, Mathematical Formulas
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Chen, Hongwei – International Journal of Mathematical Education in Science and Technology, 2004
The telescoping sum constitutes a powerful technique for summing series. In this note, this technique is illustrated by a series of problems starting off with some simple ones in arithmetic, then some in trigonometry, famous families of numbers, Apery-like formulas, and finally ending with a class of problems that are solved by computer.
Descriptors: Arithmetic, Trigonometry, Mathematics Education, Mathematical Formulas
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Chen, Hongwei – International Journal of Mathematical Education in Science and Technology, 2004
Based on the dominated convergence theorem and parametric differentiation, two different evaluations of the Laplace integral are displayed. This article presents two different proofs of (1) which may be of interest since they are based on principles within the realm of real analysis. The first method applies the dominated convergence theorem to…
Descriptors: Calculus, Mathematical Formulas, College Mathematics, Higher Education
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Chen, Hongwei – International Journal of Mathematical Education in Science and Technology, 2002
In this note, using the method of undetermined coefficients, we obtain the power series for exp ( f ( x )) and ln ( f ( x )) by means of a simple recursion. As applications, we show how those power series can be used to reproduce and improve some well-known results in analysis. These results may be used as enrichment material in an advanced…
Descriptors: Calculus, Mathematical Formulas, Mathematics, Multiplication
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Chen, Hongwei – International Journal of Mathematical Education in Science & Technology, 2005
In this paper, the author demonstrates a case study of undergraduate mathematics research in trigonometric sums. Involving undergraduates in research has been a long standing practice in the experimental sciences. However, it has only been recently that undergraduates have been involved in research in mathematics in significant numbers. Obviously,…
Descriptors: Mathematics Instruction, College Mathematics, Undergraduate Study, Educational Research
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Chen, Hongwei – International Journal of Mathematical Education in Science and Technology, 2002
A new trigonometric identity derived from factorizations and partial fractions is given. This identity is used to evaluate the Poisson integral via Riemann sum and to establish some trigonometric summation identities.
Descriptors: Trigonometry, Mathematical Concepts, Mathematics Instruction, Mathematical Applications