Ellipse

Contents

Function

f = \left(\frac{x-x_c}{a}\right)^2 + \left(\frac{y-y_c}{b}\right)^2 - 1

Brief Description

Ellipse function.

Sample Curve

Image:Ellipse.png

Parameter

Number: 4

Names: xc, yc, a, b

Meanings: xc = x center, yc = y center, a = major radius, b = minor radius

Lower Bounds: a > 0.0, b > 0.0

Upper Bounds: none

Script Access

nlf_Ellipse(x,y,xc,yc,a,b)

Function File

FITFUNC\ELLIPSE.FDF

Category

Implicit
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