Trigonometric sums and summation formulas have long served as essential tools for elucidating periodic phenomena across mathematics and the physical sciences. These techniques entail the explicit ...
The Microsoft Excel program includes a variety of mathematical formulas that you can apply to any cell in a spreadsheet. If your business uses an Excel file to track sales information, you can use the ...
SIAM Journal on Numerical Analysis, Vol. 10, No. 3 (Jun., 1973), pp. 448-459 (12 pages) The problem of obtaining a best summation formula for a finite sequence of real numbers in terms of a fixed ...
A formula involving sums of the form $\sum d(n)f(n)$ and $\sum d(n)g(n)$ is derived, where $d(n)$ is the number of divisors of $n$, and $f(x), g(x)$ are Hankel ...
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