Tool by Patrick Jöckel for data transfer of gridded 2- and 3-dimensional (spatial) geophysical/geochemical scalar fields between grids of different resolutions. The algorithm handles data on rectangular latitude/longitude grids (not necessarily evenly...
Subroutines for control theory, calculating eigenvalues of Hamiltonian matrices, packing and unpacking symmetric or triangular matrices, and examples of discrete- and continuous-time algebraic Riccati equations.
Fortran 95 code by Paul van Delst for type kinds, comparing floating numbers, error handlers, file processing, endian conversion, list processing, string processing, dates, and fundamental constants.