two-center bipolar coordinates ^English (Q4087586)

Item Discussion

2D coordinate system, whose 2 coordinates are distances from 2 fixed centers ^English

Language	Label	Description	Also known as
British English	No label defined	No description defined

Statements

/m/0270yz_

1 reference

Q15241312 (Deleted Item)

publication date

28 October 2013

MathWorld identifier

BipolarCoordinates

1 reference

imported from Wikimedia project

Q206855 (Deleted Item)

bipolar coordinates ^English

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Q1014373 (Deleted Item)

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Two-centerBipolarCoordinateSystem.JPG

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defining formula

{\begin{aligned}x&={\frac {r_{2}^{2}-r_{1}^{2}}{4a}}\\y&=\pm {\frac {1}{4a}}{\sqrt {16a^{2}r_{2}^{2}-(r_{2}^{2}-r_{1}^{2}+4a^{2})^{2}}}\end{aligned}}

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Microsoft Academic ID

2778134463

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coordinate system

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