activity
20172020
most citedSolving coupled Lane-Emden equations by Green's function and decomposition technique

10 citations · 18 across the 9 of their papers we have counts for

collaborators

10 papers

math.NA2020

Analytic solution of system of singular nonlinear differential equations with Neumann-Robin boundary conditions arising in astrophysics

Randhir Singh

In this paper, we propose a new approach for the approximate analytic solution of system of Lane-Emden-Fowler type equations with Neumann-Robin boundary conditions. The algorithm i…

math.NA2020★ 10 cited

Solving coupled Lane-Emden equations by Green's function and decomposition technique

Randhir Singh

In this paper, the Green's function and decomposition technique is proposed for solving the coupled Lane-Emden equations. This approach depends on constructing Green's function bef…

stat.AP2019

A multiple-frame approach of crop yield estimation from satellite remotely sensed data

Sumanta Kumar Das, Randhir Singh

Many studies have recently explored the information from the satellite-remotely sensed data (SRSD) for estimating the crop production statistics. The value of this information depe…

stat.AP2019

Performance modeling of electro-optical devices for military target acquisition

Sumanta kumar das, R. S. Singh

Accurate predictions of electro-optical imager performance are important for defence decision-making. The predictions serve as a guide for system development and are used in war ga…

eess.IV2019★ 8 cited

Performance of Kriging Based Soft Classification on WiFS/IRS- 1D image using Ground Hyperspectral Signatures

Sumanta Kumar Das, Randhir Singh

Hard and soft classification techniques are the conventional ways of image classification on satellite data. These classifiers have number of drawbacks. Firstly, these approaches a…

math.NA2017

Analytical Approach For Solving Population Balances: A Homotopy Perturbation Method

Gurmeet Kaur, Randhir Singh, Mehakpreet Singh +2

In the present work, a new approach is proposed for finding the analytical solution of population balances. This approach is relying on idea of Homotopy Perturbation Method (HPM).…

math.NA2017

Optimal homotopy analysis method with Green's function for a class of nonlocal elliptic boundary value problems

Randhir Singh

In this paper, we present the optimal homotopy analysis method (OHAM) with Green's function technique to acquire accurate numerical solutions for the nonlocal elliptic problems. We…

math.NA2017

Haar wavelet quasilinearization technique for doubly singular boundary value problems

Randhir Singh, Himanshu Gargyand, Apoorv Garg

The Haar wavelet based quasilinearization technique for solving a general class of singular boundary value problems is proposed. Quasilinearization technique is used to linearize n…

math.NA2017

Analytical method and its convergence analysis based on homotopy analysis for the integral form of doubly singular boundary value problems

Randhir Singh

In this paper, we consider the nonlinear doubly singular boundary value problems with Dirichlet/Neumann boundary conditions at and Robi…

math.NA2017

Adomian decomposition method for solving derivative-dependent doubly singular boundary value problems

Randhir Singh

In this work, we apply Adomian decomposition method for solving nonlinear derivative-dependent doubly singular boundary value problems: . This method is based o…