Problem 1015. Polynomial Interpolation
Given a set of measurements of dependent variables in a vector, Y, that vary with one independent variable in a vector, X, calculate the interpolating polynomial. Output is the interpolated value for a given value of x, as well as the condition number of the Vandermonde coefficient matrix.
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3 Comments
Mr. Google was not clear enough...
What is the "condition number of the Vandermonde coefficient matrix"??
:-/
(the rest was easy.. ;-) )
J.R.!
http://en.wikipedia.org/wiki/Polynomial_interpolation
FYI: The condition number of the Vandermonde coefficient matrix is just the norm of the matrix times the norm of its inverse. Cheers.
PS: Wikipedia will just lead you to a paid wall. Don't waste time.
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