expands out products and positive integer powers in expr.
Examplesopen allclose all
Basic Examples (3)
Basic Uses (9)
Expand applies to the numerator only:
ExpandAll applies to both the numerator and denominator:
Expand accepts polynomials with real or complex coefficients as inputs:
Expand threads over lists:
Expand threads over equations and inequalities:
This can be directly computed using the CharacteristicPolynomial function:
Cyclotomic polynomials are monic, with integer coefficients, and are irreducible over the rational numbers.
Use Expand to show that it has integer coefficients:
These polynomials can be directly computed using the Cyclotomic function:
Expand can be used to verify that two expressions are equal:
Properties & Relations (3)
Wolfram Research (1988), Expand, Wolfram Language function, https://reference.wolfram.com/language/ref/Expand.html (updated 2007).
Wolfram Language. 1988. "Expand." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2007. https://reference.wolfram.com/language/ref/Expand.html.
Wolfram Language. (1988). Expand. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Expand.html