The SMT is part of the student MATLAB bundle, but is an additional purchase with other MATLAB licenses. The Symbolic MATH Toolbox (SMT) is required to access the features of MATLAB discussed here. Perform polynomial multiplication and simplify the results, show that ( x - 1 ) ( x + 1 ) ( x 2 + x + 1 ) ( x 2 + 1 ) ( x 2 - x + 1 ) ( x 4 - x 2 + 1 ) simplifies to x 1 2 - 1. With symbolic operations, the computer would simplify expressions such as to, but would leave numbers like, , and as irreducible numbers. Most mathematical expressions can be represented in different, but mathematically equivalent forms and the Symbolic Math Toolbox supports a number of operations, including factoring or expanding expressions, combining terms, rewriting or rearranging expressions, and simplification based on assumptions. The Symbolic Math Toolbox supports the Formula Manipulation and Simplification of mathematical functions.
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