Colophon

This article was authored using Mathematica 3.0 and Mathematica 4.0 on a dual processor (PII 350MHz) Windows NT machine. In addition, the Mathematica application package Parallel Computing Toolkit was used to perform evaluations in parallel in Versions 3 and 4. If you do not have access to this package you can simply perform the same evaluation in two separate notebooks using Version 3 and 4 kernels respectively.

This sets up an evaluation function R, that simultaneously evaluates in two kernels, one Version 3 and one Version 4.

Launch Version 3 and 4 kernels.

Define a short evaluation function that sends the evaluation off to the launched Version 3 and 4 kernels. The notation R is analogous to the N notation (for numerical evaluation), and in essence denotes a special evaluator--in this case in parallel in two dedicated kernels.

Set the home directory where all the external data files are available.

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