Text this: Finite-Difference Scheme for Initial Boundary Value Problems in Financial Mathematics

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| || | || | || | ||  /_   _// | || | ||  / ____|| 
| '--' || | || | ||    | ||   | || | || / //---`' 
| .--. || | \\_/ ||   _| ||   | \\_/ || \ \\___   
|_|| |_||  \____//   /__//     \____//   \_____|| 
`-`  `-`    `---`    `--`       `---`     `----`