| C09CCF | One-dimensional multi-level discrete wavelet transform |
| C09CDF | One-dimensional inverse multi-level discrete wavelet transform |
| C09ECF | Two-dimensional multi-level discrete wavelet transform |
| C09EDF | Two-dimensional inverse multi-level discrete wavelet transform |
| C09FCF | Three-dimensional multi-level discrete wavelet transform |
| C09FDF | Three-dimensional inverse multi-level discrete wavelet transform |
| E05JBF | Global optimization by multi-level coordinate search, simple bounds, using function values only |