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In this paper we present a new fourth order iterative method for solving nonlinear equations based on linear combination well known third-order variant of Newton methods. Convergence order is proved. Several numerical examples are given and compared with other known Newton type methods. The results show that the method developed in this paper has some more advantages than other well known methods...
Constraints are considered to be the principal motivation for RBAC model. XACML profile for RBAC can not meet the need of expressing static and dynamic RBAC constraints well. We give the XACML syntax of common static and dynamic Separation of Duty constraints and cardinality constraints of RBAC. We also complement Role Enablement Authority to extend this profile in order to enforce these constraints.
In this paper, we present a fourth-order finite difference method for solving nonlinear one-dimensional Burgers equation. This method is unconditionally stable, fourth-order accurate in space and second-order accurate in time. Accuracy of the scheme is demonstrated by solving a test problem, and the numerical results obtained by this method for different values of Reynolds number have been compared...
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