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20112025
most citedA rational approximation for efficient computation of the Voigt function in quantitative spectroscopy

24 citations · 39 across the 11 of their papers we have counts for

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math.GM2025

A proof of irrationality of motivated by the nested radicals with roots of

Sanjar M. Abrarov, Rehan Siddiqui, Rajinder Kumar Jagpal +1

In this work, we prove the irrationality of motivated by the nested radicals with roots of of kind and . Sample computations showing h…

math.GM2025

Application of a new iterative formula for computing and nested radicals with roots of

Sanjar M. Abrarov, Rehan Siddiqui, Rajinder Kumar Jagpal +1

In this work, we obtain an iterative formula that can be used for computing digits of and nested radicals of kind , where and $c_n = \sqrt{2…

math.GM2025

Efficient application of the Voigt functions in the Fourier transform

Sanjar M. Abrarov, Rehan Siddiqui, Rajinder K. Jagpal +1

In this work, we develop a method for rational approximation of the Fourier transform (FT) based on the real and imaginary parts of the complex error function \[ w(z) = e^{-z^2}(1…

math.GM20242 cited

A rational approximation of the two-term Machin-like formula for

Sanjar M. Abrarov, Rehan Siddiqui, Rajinder Kumar Jagpal +1

In this work, we consider the properties of the two-term Machin-like formula and develop an algorithm for computing digits of by using its rational approximation. In this appro…

math.GM2023

An iterative method for computing by argument reduction of the tangent function

Sanjar M. Abrarov, Rehan Siddiqui, Rajinder Kumar Jagpal +1

In this work, we develop a new iterative method for computing the digits of by argument reduction of the tangent function. This method combines a modified version of the iterat…

math.GM20235 cited

A generalized series expansion of the arctangent function based on the enhanced midpoint integration

Sanjar M. Abrarov, Rehan Siddiqui, Rajinder K. Jagpal +1

In this work we derive a generalized series expansion of the acrtangent function by using the enhanced midpoint integration (EMI). Algorithmic implementation of the generalized ser…