John D. Cook • 3/10/2026

Simplifying expressions in SymPy

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This article demonstrates how to simplify hyperbolic trigonometric expressions using Python's SymPy library, comparing results to Mathematica. It explains why certain simplifications like √(x−1)√(x+1) to √(x²−1) are not universally valid and shows how specifying variable domains (e.g., x ≥ 0) yields expected results.

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#Python #Symbolic Computation #Sympy
Simplifying expressions in SymPy

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