# Difference between revisions of "Coefficients Command"

##### Command Categories (All commands)

Coefficients[ <Polynomial> ]
Yields the list of all coefficients of the polynomial.
Example:
Coefficients[x^3 - 3 x^2 + 3 x] yields {1, -3, 3, 0}, the list of all coefficients of x^3 - 3 x^2 + 3 x.
Coefficients[ <Conic> ]
For conics in standard form a\cdot x^2 + b\cdot y^2 + c + d\cdot x\cdot y + e\cdot x + f\cdot y = 0 returns list \{a, b, c, d, e, f\}.

## CAS Syntax

Coefficients[ <Polynomial> ]
Yields the list of all coefficients of the polynomial in the main variable.
Example:
Coefficients[x^3 - 3 x^2 + 3 x] yields {1, -3, 3, 0}, the list of all coefficients of x^3 - 3 x^2 + 3 x.
Coefficients[ <Polynomial>, <Variable> ]
Yields the list of all coefficients of the polynomial in the given variable.
Example:
• Coefficients[a^3 - 3 a^2 + 3 a, a] yields {1, -3, 3, 0}, the list of all coefficients of a^3 - 3 a^2 + 3 a, and
• Coefficients[a^3 - 3 a^2 + 3 a, x] yields \{a^3 - 3 a^2 + 3 a\}.
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