interpolation using the Vandermonde matrix with order of 7 (x = x-axis, y= y-axis)

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quality(x) = [0 0.5 0.6 0.667 0.692 0.714 0.778 0.813 0.889 1 1 1 1 1 1 1 1 1]
PAFC(y) = [11500 37500 15000 30000 14000 35000 84000 58000 19000 26500 11500 11500 15000 25000 15000 15000 25000 15000]
PAC(y) = [11500 22500 15000 15000 14000 15000 14000 14000 19000 26500 11500 11500 15000 25000 15000 15000 25000 15000]
FC(y) = [0 15000 0 15000 0 20000 70000 44000 20000 0 0 0 0 0 0 0 0 0]
  3 Commenti
Jan
Jan il 18 Mar 2011
Some of your X and Y values are equal. How do you want to handle this?
Mohd
Mohd il 22 Mar 2011
quality(x) = [0 0.5 0.6 0.667 0.692 0.714 0.778 0.813 0.889 1];
PAFC(y) = [11500 37500 15000 30000 14000 35000 84000 58000 19000 26500];
the equal values have been omitted.
i need to plot the interpolation of these two parameters using the vandermonde matrix with order 7
thank you so much in advance guys

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Risposte (2)

Laura Proctor
Laura Proctor il 17 Mar 2011
I'm not really sure what data you are trying to interpolate, but this example on Predicting the US Population may be a helpful starting place.

Mohd
Mohd il 18 Mar 2011
thanks laura. the data that i'm going to interpolate is PAFC vs quality, PAC vs quality and FC vs quality using the vandermonde matrix...

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