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merge polynomials  

merge polynomials is project number 391124
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Status: Cancelled

Selected Providers: -

Budget: $30-250

Created: 02/23/2009 at 13:15 EST

Bid Count: 0

Average Bid:
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03/05/2009 at 13:15 EST

Project Creator: schmidtjts
Employer Rating: 9.8667/109.8667/109.8667/109.8667/109.8667/109.8667/109.8667/109.8667/109.8667/109.8667/10 (15 reviews)

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Description

Below is the well known polynomial for a cubic spline.

xt=(((1-t)^3)*px1)+(((3*t)*(1-t)^2)*px2)+((3*t^2 * (1-t))*px3)+((t^3)*px4)

yt=(((1-t)^3)*py1)+(((3*t)*(1-t)^2)*py2)+((3*t^2 * (1-t))*py3)+((t^3)*py4)

As you see there are separate functions of x(t) and y(t) values of the curve.

I need a function that returns y(x).

I understand that this type of function will only work when the values of the x points are:

px1<px2<px3

or

px3<px2<px1

Job Type
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