Wolfram Language & System 10.3 (2015)|Legacy Documentation

This is documentation for an earlier version of the Wolfram Language.View current documentation (Version 11.2)


collects together terms involving the same powers of objects matching x.

collects together terms that involve the same powers of objects matching , , .

applies h to the expression that forms the coefficient of each term obtained.

Details and OptionsDetails and Options

  • Collect[expr,x] effectively writes expr as a polynomial in x or a fractional power of x.
  • Collect[expr,x,Simplify] can be used to simplify each coefficient separately.
  • Collect automatically threads over lists in expr, as well as equations, inequalities and logic functions.
Introduced in 1988
| Updated in 2007