Difference between revisions of "Polynomial Command"

From GeoGebra Manual
Jump to: navigation, search
 
(9 intermediate revisions by 6 users not shown)
Line 1: Line 1:
<noinclude>{{Manual Page|version=4.2}}</noinclude>
+
<noinclude>{{Manual Page|version=5.0}}</noinclude>{{command|function}}
{{command|function}}
+
;Polynomial( <Function> )
; Polynomial[ <Function> ]
 
 
:Yields the expanded polynomial function.
 
:Yields the expanded polynomial function.
: {{Example|1=<code>Polynomial[(x - 3)^2]</code> yields ''x<sup>2</sup> - 6x + 9''. }}
+
:{{Example|1=<code>Polynomial((x - 3)^2)</code> yields ''x<sup>2</sup> - 6x + 9''. }}
; Polynomial[ <List of Points> ]
+
:{{Example|1=<code>Polynomial(f(x,y)=y^2+(x+y)^2)</code> yields ''x<sup>2</sup>+2xy+2x<sup>2</sup>''. }}
: Creates the interpolation polynomial of degree ''n-1'' through the given ''n'' points.
+
;Polynomial( &lt;List of Points> )
: {{Example|1=<code>Polynomial[{(1, 1), (2, 3), (3, 5)}]</code> yields ''2x - 1''. }}
+
:Creates the interpolation polynomial of degree ''n-1'' through the given ''n'' points.
 +
:{{Example|1=<code>Polynomial({(1, 1), (2, 3), (3, 6)})</code> yields ''0.5 x<sup>2</sup> + 0.5 x''. }}
 +
 
 +
==CAS Syntax==
 +
;Polynomial( <Function> )
 +
:Expands the function and writes it as a polynomial in x (grouping the coefficients).
 +
:{{Example|1=<code>Polynomial((x - 3)^2 + (a + x)^2)</code> yields ''2 x<sup>2</sup> + (2a - 6) x + a<sup>2</sup> + 9''. }}
 +
;Polynomial( <Function>, <Variable> )
 +
:Expands the function and writes it as a polynomial in the variable (grouping the coefficients).
 +
:{{Example|1=<code>Polynomial((x - 3)^2 + (a + x)^2, a)</code> yields ''a<sup>2</sup> + 2 x a + 2 x<sup>2</sup> - 6 x + 9''. }}

Latest revision as of 14:05, 9 February 2024


Polynomial( <Function> )
Yields the expanded polynomial function.
Example: Polynomial((x - 3)^2) yields x2 - 6x + 9.
Example: Polynomial(f(x,y)=y^2+(x+y)^2) yields x2+2xy+2x2.
Polynomial( <List of Points> )
Creates the interpolation polynomial of degree n-1 through the given n points.
Example: Polynomial({(1, 1), (2, 3), (3, 6)}) yields 0.5 x2 + 0.5 x.


CAS Syntax

Polynomial( <Function> )
Expands the function and writes it as a polynomial in x (grouping the coefficients).
Example: Polynomial((x - 3)^2 + (a + x)^2) yields 2 x2 + (2a - 6) x + a2 + 9.
Polynomial( <Function>, <Variable> )
Expands the function and writes it as a polynomial in the variable (grouping the coefficients).
Example: Polynomial((x - 3)^2 + (a + x)^2, a) yields a2 + 2 x a + 2 x2 - 6 x + 9.
© 2024 International GeoGebra Institute