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. Here, s is an expression of symbolic scalar variables or a symbolic function, and old specifies the symbolic scalar variables or symbolic function to be substituted. snew subs (s,old,new) returns a copy of s, replacing all occurrences of old with new, and then evaluates s. 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. Substitute Symbolic Scalar Variables and Functions. The Symbolic Math Toolbox supports the Formula Manipulation and Simplification of mathematical functions.
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