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parabola.pro

topparabola

utilities

result = parabola(x1, x2, x3, y1, y2, y3 [, p=p] [, q=q] [, r=r])

This function finds the unique parabola which fits three xy pairs. The parabola is given by y = p + q * x + r * x^2

Return value

An array [p,q,r] which describes the parabola y = p + q * x + r * x^2

Parameters

x1 in required

First abscissa

x2 in required

Second abscissa

x3 in required

Third abscissa

y1 in required

First ordinate

y2 in required

Second ordinate

y3 in required

Third ordinate

Keywords

p in optional

Set to a variable to hold p

q in optional

Set to a variable to hold q

r in optional

Set to a variable to hodl r

File attributes

Modifcation date: Mon Mar 22 16:17:13 2010
Lines: 62