Re: octave

[David Bateman]

> > 2. how to extract errors from fitting by polynomial

Example

x0 = [0:0.01:1]*pi;
y0 = sin(x0);
n = 5;
[p, y] = polyfit(x0,y0,n);   %% p is the coefs of an n-th order polynomial
err_rms = sqrt(sumsq(y-y0)/length(y))


D.

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David Bateman                                address@hidden
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