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Encyclopedia > Cubic polynomial


See also: cubic equation, Bézier curve, spline.


  Results from FactBites:
 
Cubic equation - Wikipedia, the free encyclopedia (2125 words)
In mathematics, a cubic equation is a polynomial equation in which the highest occurring power of the unknown is the third power.
Cubic equations were first discovered by Jaina mathematicians in ancient India sometime between 400 BC and 200 CE.
Every cubic equation with real coefficients has at least one solution x among the real numbers; this is a consequence of the intermediate value theorem.
Spline interpolation - Wikipedia, the free encyclopedia (564 words)
Spline interpolation is preferred over polynomial interpolation because the interpolation error can be made small even when using low degree polynomials for the spline.
For the n cubic polynomials comprising S, this means to determine these polynomials, we need to determine 4n conditions (since for one polynomial of degree three, there are four conditions on choosing the curve).
The natural cubic spline is approximately the same curve as created by the spline device.
  More results at FactBites »


 

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