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Diffstat (limited to 'macros/polyval.sci')
| -rw-r--r-- | macros/polyval.sci | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/macros/polyval.sci b/macros/polyval.sci index 0ec7a82..5ba13a7 100644 --- a/macros/polyval.sci +++ b/macros/polyval.sci @@ -5,9 +5,7 @@ function [y, delta] = polyval(p,x,S,mu) //delta --is an estimate of the standard deviation of the error in predicting a future observation at x by p(x). // If the coefficients in p are least squares estimates computed by polyfit, and the errors in the data input to poly// if it are independent, normal, and have constant variance, then y±delta contains at least 50% of the // predictions of future observations at x. - //y = polyval(p,x,[],mu) or [y,delta] = polyval(p,x,S,mu) use ˆx=(x−μ1)/μ2 in place of x. In this equation, μ1=mean(x) // and μ2=std(x). The centering and scaling parameters mu = [μ1,μ2] is optional - //EXAMPLES: //p = [3 2 1]; //y=polyval(p,[5 7 9]) |