Difference between revisions of "FitPoly Command"

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;FitPoly[ <List of Points>, <Degree n of Polynomial> ]
 
;FitPoly[ <List of Points>, <Degree n of Polynomial> ]
 
:Calculates the regression polynomial of degree ''n''.
 
:Calculates the regression polynomial of degree ''n''.
:{{example| 1=<div><code><nowiki>FitPoly[{(-1, -1), (0, 1), (1, 1), (2, 5)}, 3]</nowiki></code> gives ''x<sup>3</sup> - x<sup>2</sup> + 1''.</div>}}
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:{{example| 1=<div><code><nowiki>FitPoly[{(-1, -1), (0, 1), (1, 1), (2, 5)}, 3]</nowiki></code> yields <math>x^3 - x^2 + 1</math>.</div>}}
 
{{note| 1=<div>
 
{{note| 1=<div>
 
For order ''n'' there must be at least ''n + 1'' Points in the list.</div>}}{{note| 1=<div>
 
For order ''n'' there must be at least ''n + 1'' Points in the list.</div>}}{{note| 1=<div>
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;FitPoly[ <List of Points>, <Degree n of Polynomial> ]
 
;FitPoly[ <List of Points>, <Degree n of Polynomial> ]
 
:Calculates the regression polynomial of degree ''n''.
 
:Calculates the regression polynomial of degree ''n''.
 +
:{{example| 1=<div><code><nowiki>FitPoly[{(-1, -1), (0, 1), (1, 1), (2, 5)}, 3]</nowiki></code> yields <math>x^3 - x^2 + 1</math>.</div>}}
 +
{{note| 1=<div>
 +
For order ''n'' there must be at least ''n + 1'' Points in the list.</div>}}{{note| 1=<div>
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See also [[FitExp Command]], [[FitLog Command]], [[FitPow Command]] and [[FitSin Command]].
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</div>}}

Revision as of 09:05, 14 September 2012


FitPoly[ <List of Points>, <Degree n of Polynomial> ]
Calculates the regression polynomial of degree n.
Example:
FitPoly[{(-1, -1), (0, 1), (1, 1), (2, 5)}, 3] yields x^3 - x^2 + 1.
Note:
For order n there must be at least n + 1 Points in the list.

CAS Syntax

FitPoly[ <List of Points>, <Degree n of Polynomial> ]
Calculates the regression polynomial of degree n.
Example:
FitPoly[{(-1, -1), (0, 1), (1, 1), (2, 5)}, 3] yields x^3 - x^2 + 1.
Note:
For order n there must be at least n + 1 Points in the list.
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