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Journal Cover International Journal of Convergence Computing
  [1 followers]  Follow
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 2048-9129 - ISSN (Online) 2048-9137
   Published by Inderscience Publishers Homepage  [416 journals]
  • Neuro-fuzzy-based smart DSS for crop specific irrigation control and SMS
           notification generation for precision agriculture
    • Authors: Ambarish G. Mohapatra, Saroj Kumar Lenka
      Pages: 3 - 22
      Abstract: A feed forward neural network and fuzzy logic-based hybrid smart decision support system (DSS) for crop specific irrigation notification and control in precision agriculture (PA) is proposed in this paper. This proposed neuro-fuzzy smart DSS can be implemented in any farm land, green-house and poly-house for efficient irrigation management and control for PA. A feed forward neural network is trained and linear regression is performed to predict soil moisture content (MC) in hourly basis. The predicted soil MC is utilised by fuzzy logic-based smart DSS model to produce SMS notification to the farmer. The proposed DSS model can work on real-time mode using National Instruments LabVIEW. This hybrid smart DSS prediction algorithm is implemented using data group of 24 cases measured in the farming land located in Bhubaneswar, the southern part of India. Crop wise evapotranspiration is also calculated using Blaney-Criddle method to notify the farmers via SMS service.
      Keywords: feedforward neural networks; linear regression; LabVIEW; decision support systems; smart DSS; fuzzy logic; SMS notification; GSM modem interface; crop specific irrigation; irrigation control; precision agriculture; irrigation management; soil moisture content; In
      Citation: International Journal of Convergence Computing, Vol. 2, No. 1 (2016) pp. 3 - 22
      PubDate: 2016-11-21T23:20:50-05:00
      DOI: 10.1504/IJCONVC.2016.080394
      Issue No: Vol. 2, No. 1 (2016)
  • The b-chromatic number of Mycielskian of some graphs
    • Authors: P.C. Lisna, M.S. Sunitha
      Pages: 23 - 40
      Abstract: A b-colouring of a graph G is a proper colouring of the vertices of G such that there exists a vertex in each colour class joined to at least one vertex in each other colour classes. The b-chromatic number of a graph G, denoted by φ(G) is the largest integer k such that G has a b-colouring with k colours. The Mycielskian or Mycielski graph µ(H) of a graph H with vertex set {v<SUB align="right">1, v<SUB align="right">2, , v<SUB align="right">n} is a graph G obtained from H by adding n + 1 new vertices {u, u<SUB align="right">1, u<SUB align="right">2, , u<SUB align="right">n}, joining u to each vertex u<SUB align="right">i (1 ≤ i ≤ n) and joining u<SUB align="right">i to each neighbour of v<SUB align="right">i in H. In this paper, we obtain the b-chromatic number of Mycielskian of paths, complete graphs, complete bipartite graphs and wheels.
      Keywords: b-chromatic number; b-colouring; b-dominating set; Mycielskian; graphs; Mycielski graph
      Citation: International Journal of Convergence Computing, Vol. 2, No. 1 (2016) pp. 23 - 40
      PubDate: 2016-11-21T23:20:50-05:00
      DOI: 10.1504/IJCONVC.2016.080395
      Issue No: Vol. 2, No. 1 (2016)
  • Local convergence for a derivative free method of order three under weak
    • Authors: Ioannis K. Argyros, Santhosh George
      Pages: 41 - 53
      Abstract: A local convergence analysis for a family of a third-order method in order to approximate a solution of a nonlinear equation is presented in this paper. We use hypotheses only on the first derivative in contrast to earlier studies such as Parhi and Gupta (2007, 2010) and Zhu and Wu (2003) using hypotheses only on the first derivative. This way the applicability of these methods is extended under weaker hypotheses. Moreover the radius of convergence and computable error bounds on the distances involved are also given in this study. Numerical examples are also presented in this study.
      Keywords: Newton's method; bisection method; local convergence; convergence order; third-order method; weak conditions; nonlinear equations
      Citation: International Journal of Convergence Computing, Vol. 2, No. 1 (2016) pp. 41 - 53
      PubDate: 2016-11-21T23:20:50-05:00
      DOI: 10.1504/IJCONVC.2016.080397
      Issue No: Vol. 2, No. 1 (2016)
  • Comparative numerical investigation of Burgers' equation with and
           without Hopf-Cole transformation
    • Authors: Mayur P. Bonkile, Ashish Awasthi, S. Jayaraj
      Pages: 54 - 78
      Abstract: Even if the numerical simulation of the unsteady viscous Burgers' equation is well documented in the literature, a detailed literature survey indicates that there is still gaps exists for comparative investigation regarding the effect of Hopf-Cole transformation on the efficiency and accuracy of schemes. In this paper, a comparative numerical investigation of Burgers' equation is presented based on two different approaches. Hopf-Cole transformation is implemented on this equation and then solved by modified Keller box scheme. We sketch a new implicit scheme with second order accuracy in space and time, which is proposed to solve Burgers' equation without using Hopf-Cole transformation. Numerical results of two test problems, which are calculated for various values of kinematic viscosity and time steps, are found to be matching with the exact solution. The new implicit box scheme is proved to be more accurate than the modified Keller box scheme with Hopf-Cole transformation based on L<SUB align="right">2 and L<SUB align="right">∞ errors.
      Keywords: finite difference method; Burgers' equation; Hopf-Cole transformation; Keller box scheme; implicit box scheme; kinematic viscosity; time steps; partial differential equations; PDE
      Citation: International Journal of Convergence Computing, Vol. 2, No. 1 (2016) pp. 54 - 78
      PubDate: 2016-11-21T23:20:50-05:00
      DOI: 10.1504/IJCONVC.2016.080396
      Issue No: Vol. 2, No. 1 (2016)
  • Asymptotic expansions for approximate eigenvalues of integral operators
           with a weakly singular periodic kernel
    • Authors: Rekha P. Kulkarni, Akshay S. Rane
      Pages: 79 - 92
      Abstract: We consider the approximation of an eigenvalue of an integral operator with a weakly singular periodic kernel using the modified Nyström scheme based on the composite trapezoidal rule. Numerical results are presented which confirm the theoretical orders of convergence.
      Keywords: asymptotic expansion; modified Nystrom scheme; weakly singular periodic kernel; approximate eigenvalues; integral operators; composite trapezoidal rule
      Citation: International Journal of Convergence Computing, Vol. 2, No. 1 (2016) pp. 79 - 92
      PubDate: 2016-11-21T23:20:50-05:00
      DOI: 10.1504/IJCONVC.2016.080402
      Issue No: Vol. 2, No. 1 (2016)
  • Remote login password authentication scheme using tangent theorem on
    • Authors: Shipra Kumari, Hari Om
      Pages: 93 - 106
      Abstract: In this paper, we propose a remote password authentication scheme based on geometry. We use some simple tangent theorems of a circle, RSA encryption technique, and a strong one-way function to mutually authenticate the user and the server. It has a facility for a legal user to freely choose and change his password using his smart card. The security of this scheme depends on the tangent points located in a plane associated with the circle and the tangent line itself. In this scheme, the user anonymity is preserved and the communication cost is also reduced due to checking the correctness of the password before sending any authentication message.
      Keywords: RSA cryptosystem; tangent theorem; circles; smart cards; remote login; password authentication; cryptography; user anonymity; communication cost
      Citation: International Journal of Convergence Computing, Vol. 2, No. 1 (2016) pp. 93 - 106
      PubDate: 2016-11-21T23:20:50-05:00
      DOI: 10.1504/IJCONVC.2016.080403
      Issue No: Vol. 2, No. 1 (2016)
School of Mathematical and Computer Sciences
Heriot-Watt University
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