Abstract
One factor of importance in a complete auto matic analog-computer patching system is a software package to provide the actual patching information for a model described in a high-level language.
Several approaches to this problem have been proposed. One such program, PATCH, differs from the others in that it not only uses a continuous simulation language as a means of describing the model to be patched, but also actually uses the simulation processor as an integral part of the patching program.
The simulator which was used for the imple mentation of the patching program is S/360 CSMP. Since PATCH was first described in the literature, many have inquired about the possibility of using another simulator such as CSSL or MIMIC in the same way.
We will attempt here to outline the modifi cations made to CSMP and their purpose so that one intimately familiar with another simulator could make similar alterations to that program.
PATCH itself is a subroutine written in FORTRAN IV and could readily be modified to accept input from other simulators.
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