titanium - Titanium test data

Syntax

Description

[x,y] = titanium returns measurements of a certain property of titanium as a function of temperature. Since their use in References, these data have become a standard test for data fitting since they are hard to fit by classical techniques and have a significant amount of noise.

Examples

The plot of the data shown below is generated by the following commands:

[x,y] = titanium; plot(x,y,'ok'), set(gca,'Fontsize',16) 

References

C. de Boor and J. R. Rice, Least squares cubic spline approximation II - Variable knots, CSD TR 21, Comp.Sci., Purdue Univ., April 1968.

© 1984-2012- The MathWorks, Inc.    -   Site Help   -   Patents   -   Trademarks   -   Privacy Policy   -   Preventing Piracy   -   RSS