3 papers
cs.SC2012
Simplifying products of fractional powers of powers
David R. Stoutemyer
Most computer algebra systems incorrectly simplify (z - z)/(sqrt(w^2)/w^3 - 1/(w*sqrt(w^2))) to 0 rather than to 0/0. The reasons for this are: 1. The default simplification doesn'…
cs.SC2012
Subtotal ordering -- a pedagogically advantageous algorithm for computing total degree reverse lexicographic order
David R. Stoutemyer
Total degree reverse lexicographic order is currently generally regarded as most often fastest for computing Groebner bases. This article describes an alternate less mysterious alg…
cs.MS2012
Can the Eureqa symbolic regression program, computer algebra and numerical analysis help each other?
David R. Stoutemyer
The Eureqa symbolic regression program has recently received extensive press praise. A representative quote is "There are very clever 'thinking machines' in existence today, such a…