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2020

The University of Southern Mississippi

Partial Differential Equations

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Full-Text Articles in Numerical Analysis and Computation

Diagonalization Of 1-D Schrodinger Operators With Piecewise Constant Potentials, Sarah Wright Dec 2020

Diagonalization Of 1-D Schrodinger Operators With Piecewise Constant Potentials, Sarah Wright

Master's Theses

In today's world our lives are very layered. My research is meant to adapt current inefficient numerical methods to more accurately model the complex situations we encounter. This project focuses on a specific equation that is used to model sound speed in the ocean. As depth increases, the sound speed changes. This means the variable related to the sound speed is not constant. We will modify this variable so that it is piecewise constant. The specific operator in this equation also makes current time-stepping methods not practical. The method used here will apply an eigenfunction expansion technique used in previous …