Essays about: "ill-conditioning"
Found 3 essays containing the word ill-conditioning.
-
1. Master’s Thesis Project : Fibre-based preconditioner for granular matter simulation
University essay from Umeå universitet/Institutionen för datavetenskapAbstract : Simulating granular media at large scales is hard to do because of ill-conditioning of the associated linear systems and the ineffectiveness of available iterative methods. One common way to improve iterative methods is to use a preconditioner which involves finding a good approximation of a linear system A. READ MORE
-
2. On using a zero lower bound on the physical density in Material DistributionTopology Optimization
University essay from Umeå universitet/Institutionen för datavetenskapAbstract : Material distribution topology optimization methods aim to place optimally material within a given domain or space. These methos use a socalled material indicator function r to determine for each point within the design domain whether it contains material (r 1) or void (r 0). READ MORE
-
3. Evaluation of a least-squares radial basis function approximation method for solving the Black-Scholes equation for option pricing
University essay from Institutionen för informationsteknologiAbstract : Radial basis function (RBF) approximation, is a new extremely powerful tool that is promising for high-dimensional problems, such as those arising from pricing of basket options using the Black-Scholes partial differential equation. The main problem for RBF methods have been ill-conditioning as the RBF shape parameter becomes small, corresponding to flat RBFs. READ MORE
