$partialdiff sub Y$ $integral dX$ $integral dY$ [ WORLDBATH432 bath ]
Longitude | grid: /X (degree_east) ordered (0.4166667W) to (0.416687W) by 0.8333333 N= 433 pts :grid |
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Latitude | grid: /Y (degree_north) ordered (90N) to (90S) by 0.8333333 N= 217 pts :grid |