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

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Mohd
Mohd 2011-3-17
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]
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Mohd
Mohd 2011-3-22
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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回答（2 个）

Laura Proctor
Laura Proctor 2011-3-17
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 2011-3-18
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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