This book uses a variety of special fonts to distinguish between many
mathematical and programming items. These are defined below.
| Special Font | Example | Description |
|---|---|---|
| Italic with no subscripts | m, incx, uplo | A calling sequence argument or mathematical variable |
| Italic with subscripts | x1, aij, yk1, k2 | An element of a vector, matrix, or sequence |
| Bold italic lowercase | x, y, z | A vector or sequence |
| Bold italic lowercase with subscripts | xix:ix+n-1 | A vector, with defined bounds |
| Bold italic uppercase | A, B, C | A matrix |
| Bold italic uppercase with subscripts | Aia:ia+m-1,
ja:ja+n-1
Xix:ix+n-1, ja:ja | A submatrix, with defined bounds
A vector (a special form of submatrix), with defined limits |
| Gothic uppercase | A, B, C, AGB
NPROW=2 | An array
A Fortran statement |