GEMS(ID:7427/gem006)

Mathematical simulation language 

for General equation modeling systems

Mathematical simulation language

Dept. of Chemical Engineering, Univ. of Connecticut, Storrs

References:
  • Babcock, Paul D.; Stutzman, Leroy F.; and Koup, Thomas G. "General equation modeling systems (GEMS} -- a mathematical simulation language" Simulation 36(2) Feb. 1981, pp41-53. view details
  • Brown, R. L. review of Babcock et al 1981 view details Abstract: A preprocessor, currently supported only on CDC equipment, is described. It takes a simple input specification of nonlinear first order differential equations and explicit and implicit algebraic equations and submits them to the IMP (Implicit Modeling Program) package. Numerous forcing functions and library functions are predefined, interpolated tables are allowed, and the only real restriction on input is that all variables be named Xn, and that Xn or its derivative appear in the nth equation. Nine test problems, including seven previously described and two newly developed ones, are used to compare GEMS to the ACSL system. Typographical errors and references to users' manuals and other difficult to obtain matter make total comprehension difficult, but the system described seems worth the effort.


          in ACM Computing Reviews 22(07) July 1981 view details