TSD5 package for Maple, developed by Lu Yang and Yong Yao, is an efficient tool based on Successive Difference Substitution method and used to determine the positive semi-definiteness of polynomials. 1.extract tsds5.txt from the rar file to a folder e.g. "d:/resource" 2.run Maple software; 3.input: read "d:/resource/tsds5.txt"; 4.newtsds(...);
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