Geophysical
data that we routinely process in a computer can always be represented
as a set of real numbers, packed into a one-dimensional array. On the
other hand, the mathematical concept of a vector can handle much more
abstract constructions than simple arrays. As a language for
engineering problems, Fortran 90 doesn't handle abstractions as well
as other advanced languages such as C++. In particular, there is no
elegant way to represent the idea of an abstract vector or an abstract
vector space. However, the operator abstraction, presented in this
paper, can be repeated to any concrete data type that we may find
deserving special treatment.
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