ExpandAll

ExpandAll[expr]

expands out all products and integer powers in any part of expr.

ExpandAll[expr,patt]

avoids expanding parts of expr that do not contain terms matching the pattern patt.

Details and Options

Examples

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Basic Examples  (1)

Expand polynomials anywhere inside an expression:

Scope  (6)

Expand the numerator and the denominator of a rational expression:

Expand the exponent:

ExpandAll goes into heads:

Expand only subexpressions involving :

Expand the expression over the integers modulo :

Expand the expression using expansion formulas for trigonometric functions:

Applications  (1)

Verify that two expressions are equal:

Use ExpandAll to show that the expressions are equal:

Expand is not sufficient to verify the equality:

Wolfram Research (1988), ExpandAll, Wolfram Language function, https://reference.wolfram.com/language/ref/ExpandAll.html (updated 2007).

Text

Wolfram Research (1988), ExpandAll, Wolfram Language function, https://reference.wolfram.com/language/ref/ExpandAll.html (updated 2007).

BibTeX

@misc{reference.wolfram_2020_expandall, author="Wolfram Research", title="{ExpandAll}", year="2007", howpublished="\url{https://reference.wolfram.com/language/ref/ExpandAll.html}", note=[Accessed: 26-February-2021 ]}

BibLaTeX

@online{reference.wolfram_2020_expandall, organization={Wolfram Research}, title={ExpandAll}, year={2007}, url={https://reference.wolfram.com/language/ref/ExpandAll.html}, note=[Accessed: 26-February-2021 ]}

CMS

Wolfram Language. 1988. "ExpandAll." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2007. https://reference.wolfram.com/language/ref/ExpandAll.html.

APA

Wolfram Language. (1988). ExpandAll. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/ExpandAll.html